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Euclydes V, Braga CI, Gouveia G, Martinez RC, Camilo C, Simões SN, Martins-Jr DC, Fracolli L, Argeu A, Ferraro A, Matijasevich A, Fatori D, Miguel EC, Polanczyk GV, Brentani H. Maternal immune response during pregnancy and neurodevelopmental outcomes: A longitudinal approach. Brain Behav Immun Health 2024; 40:100832. [PMID: 39193418 PMCID: PMC11347843 DOI: 10.1016/j.bbih.2024.100832] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2024] [Revised: 07/23/2024] [Accepted: 07/28/2024] [Indexed: 08/29/2024] Open
Abstract
Background and objectives The neurodevelopment of the offspring is suggested to be influenced by the maternal immune system's responses throughout pregnancy, which in turn is also vulnerable to maternal psychosocial stress conditions. Therefore, our main goal was to investigate whether maternal peripheral immunological biomarkers (IB) during two stages of gestation are associated with distinct neurodevelopmental trajectories in the first two years of life. As a second goal, we also explored the association between maternal distal (childhood) and proximal (gestation) stressful experiences and the immunological markers assessed during pregnancy. Methods Maternal childhood trauma, depressive and anxiety symptoms, and peripheral IB (IFNγ, IL-10, IL1β, IL6, IL8, TNFα, EGF, IL13, IL17, IL1Ra and IL4) were measured at baseline (8-16 weeks of pregnancy) and at 30 weeks of pregnancy in 160 women. The participants had the blood samples collected from two randomized clinical trials conducted by the same team and methods in the same community. A Principal Component Analysis (PCA) was implemented to create meaningful composite variables that describe the cytokines joint variation. Finally, linear mixed-effects modeling was used to investigate the influence of inflammatory biomarkers, maternal childhood trauma, anxiety, and depressive symptoms on Bayley's III scores trajectories. Results The IB profile during the 3rd trimester of pregnancy predicted the offspring's neurodevelopmental trajectories in the first two years of life. The components derived from PCA were important predictors and captured different immune responses, reflecting both pro- and anti-inflammatory states. Maternal stressful experiences did not correlate with the immunological markers. Although not a reliable predictor alone, maternal psychosocial stress at the 1st trimester of pregnancy interacted with the mother's immune response while predicting the neurodevelopmental scores during the first two years of life. Conclusions Our results underscore the importance of the maternal immune response during pregnancy in shaping the neurodevelopmental trajectory of the offspring. Additionally, we observed that the maternal distress at the early stages of pregnancy has an incremental effect on the neurodevelopmental outcome but depends upon the immune response.
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Affiliation(s)
- Veronica Euclydes
- Instituto e Departamento de Psiquiatria, Faculdade de Medicina FMUSP, LIM/23, Universidade de Sao Paulo, Sao Paulo, SP, Brazil
| | - Caio I.S. Braga
- Center for Mathematics, Computation and Cognition, Federal University of ABC (UFABC), Santo André, SP, Brazil
| | - Gisele Gouveia
- Instituto e Departamento de Psiquiatria, Faculdade de Medicina FMUSP, LIM/23, Universidade de Sao Paulo, Sao Paulo, SP, Brazil
| | | | - Caroline Camilo
- Instituto e Departamento de Psiquiatria, Faculdade de Medicina FMUSP, LIM/23, Universidade de Sao Paulo, Sao Paulo, SP, Brazil
| | | | - David C. Martins-Jr
- Center for Mathematics, Computation and Cognition, Federal University of ABC (UFABC), Santo André, SP, Brazil
| | - Lislaine Fracolli
- Escola de Enfermagem, Faculdade de Medicina, Universidade de São Paulo, São Paulo, Brazil
| | - Adriana Argeu
- Instituto e Departamento de Psiquiatria, Faculdade de Medicina FMUSP, LIM/23, Universidade de Sao Paulo, Sao Paulo, SP, Brazil
| | - Alexandre Ferraro
- Departamento de Pediatria, Faculdade de Medicina FMUSP, Universidade de São Paulo, São Paulo, Brazil
| | - Alicia Matijasevich
- Departamento de Medicina Preventiva, Faculdade de Medicina FMUSP, Universidade de São Paulo, São Paulo, Brazil
| | - Daniel Fatori
- Instituto e Departamento de Psiquiatria, Faculdade de Medicina FMUSP, LIM/23, Universidade de Sao Paulo, Sao Paulo, SP, Brazil
| | - Euripedes C. Miguel
- Instituto e Departamento de Psiquiatria, Faculdade de Medicina FMUSP, LIM/23, Universidade de Sao Paulo, Sao Paulo, SP, Brazil
| | - Guilherme V. Polanczyk
- Instituto e Departamento de Psiquiatria, Faculdade de Medicina FMUSP, LIM/23, Universidade de Sao Paulo, Sao Paulo, SP, Brazil
| | - Helena Brentani
- Instituto e Departamento de Psiquiatria, Faculdade de Medicina FMUSP, LIM/23, Universidade de Sao Paulo, Sao Paulo, SP, Brazil
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Zuo H, Chen X, Huang X, Benny C, Fu D, Xiu Q, Cui X, Lyu Y. Using inflammatory biomarkers in early pregnancy to predict subsequent antenatal depression. J Affect Disord 2024:S0165-0327(24)01458-7. [PMID: 39233249 DOI: 10.1016/j.jad.2024.08.220] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/28/2023] [Revised: 08/24/2024] [Accepted: 08/31/2024] [Indexed: 09/06/2024]
Abstract
BACKGROUND Antenatal depression (AD) is one of the most common pregnancy complications. Recent studies indicated that immune responses during pregnancy may contribute to development of AD. OBJECTIVES This study aimed to identify possible inflammatory biomarkers in early pregnancy to predict maternal depressive symptoms before delivery. METHODS This case-control study was conducted within the Maternal and Infant Health (MI-Health) birth cohort (Beijing, China) and depressive symptoms were assessed by Zung Self-rating Depression Scale (SDS) in both second and third trimesters. By using immune multi-factors kits, we tested 26 inflammatory factors in the serum of 38 cases with antenatal depression symptoms in both trimesters (SDS ≥ 53) and 38 controls. Logistic regression was used to identify candidate biomarkers, and the predictive capabilities were evaluated by using Receiver Operator Characteristics (ROC) analysis. RESULTS The concentrations of ln(CCL24) (p = 0.020), IL-7 (p = 0.006) and IL-10 (p = 0.014) were higher in early pregnancy among women with depressive symptoms comparing to healthy controls. The difference remained statistically significant after adjusting for maternal age, education level, gestational diabetes mellitus, pre-pregnancy BMI and gestational weeks of blood sampling (OR(ln(CCL24)) = 4.625, OR(IL-7) = 1.414, OR(IL-10) = 1.151). In ROC analysis, ln(CCL24), IL-7, and IL-10 achieved discrimination for depressive symptoms antepartum, with the values of AUC estimated at 0.75. LIMITATIONS The sample size is limited, and the infectious disease infection records were not collected for control. CONCLUSION Higher levels of CCL24, IL-7 and IL-10 may indicate the higher risk of antenatal depression and are potential biomarkers indicating pathogenesis of antenatal depression.
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Affiliation(s)
- Hanxiao Zuo
- School of Public Health, University of Alberta, Edmonton, Alberta, Canada; Experiment Center, Capital Institute of Pediatrics, Beijing, China
| | - Xiaoli Chen
- Department of Genetics, Capital Institute of Pediatrics, Beijing, China
| | - Xiaolan Huang
- Experiment Center, Capital Institute of Pediatrics, Beijing, China
| | | | - Dongmei Fu
- Department of Obstetrics, Beijing Daxing Maternal and Child Care Hospital, Beijing, China
| | - Qingyong Xiu
- Department of Pediatrics, Beijing Daxing Maternal and Child Care Hospital, Beijing, China
| | - Xiaodai Cui
- Experiment Center, Capital Institute of Pediatrics, Beijing, China
| | - Yanyu Lyu
- Experiment Center, Capital Institute of Pediatrics, Beijing, China.
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Couch ACM, Brown AM, Raimundo C, Solomon S, Taylor M, Sichlinger L, Matuleviciute R, Srivastava DP, Vernon AC. Transcriptional and cellular response of hiPSC-derived microglia-neural progenitor co-cultures exposed to IL-6. Brain Behav Immun 2024:S0889-1591(24)00529-4. [PMID: 39098436 DOI: 10.1016/j.bbi.2024.08.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/11/2024] [Revised: 07/12/2024] [Accepted: 08/01/2024] [Indexed: 08/06/2024] Open
Abstract
Elevated interleukin (IL-)6 levels during prenatal development have been linked to increased risk for neurodevelopmental disorders (NDD) in the offspring, but the mechanism remains unclear. Human-induced pluripotent stem cell (hiPSC) models offer a valuable tool to study the effects of IL-6 on features relevant for human neurodevelopment in vitro. We previously reported that hiPSC-derived microglia-like cells (MGLs) respond to IL-6, but neural progenitor cells (NPCs) in monoculture do not. Therefore, we investigated whether co-culturing hiPSC-derived MGLs with NPCs would trigger a cellular response to IL-6 stimulation via secreted factors from the MGLs. Using N=4 donor lines without psychiatric diagnosis, we first confirmed that NPCs can respond to IL-6 through trans-signalling when recombinant IL-6Ra is present, and that this response is dose-dependent. MGLs secreted soluble IL-6R, but at lower levels than found in vivo and below that needed to activate trans-signalling in NPCs. Whilst transcriptomic and secretome analysis confirmed that MGLs undergo substantial transcriptomic changes after IL-6 exposure and subsequently secrete a cytokine milieu, NPCs in co-culture with MGLs exhibited a minimal transcriptional response. Furthermore, there were no significant cell fate-acquisition changes when differentiated into post-mitotic cultures, nor alterations in synaptic densities in mature neurons. These findings highlight the need to investigate if trans-IL-6 signalling to NPCs is a relevant disease mechanism linking prenatal IL-6 exposure to increased risk for psychiatric disorders. Moreover, our findings underscore the importance of establishing more complex in vitro human models with diverse cell types, which may show cell-specific responses to microglia-released cytokines to fully understand how IL-6 exposure may influence human neurodevelopment.
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Affiliation(s)
- Amalie C M Couch
- Department of Basic and Clinical Neuroscience, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, UK; MRC Centre for Neurodevelopmental Disorders, King's College London, London, UK.
| | - Amelia M Brown
- Department of Basic and Clinical Neuroscience, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, UK; MRC Centre for Neurodevelopmental Disorders, King's College London, London, UK
| | - Catarina Raimundo
- Department of Basic and Clinical Neuroscience, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, UK; Faculty of Life Sciences and Medicine, King's College London, London, UK
| | - Shiden Solomon
- Department of Basic and Clinical Neuroscience, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, UK
| | - Morgan Taylor
- Department of Basic and Clinical Neuroscience, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, UK
| | - Laura Sichlinger
- Department of Basic and Clinical Neuroscience, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, UK; MRC Centre for Neurodevelopmental Disorders, King's College London, London, UK
| | - Rugile Matuleviciute
- Department of Basic and Clinical Neuroscience, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, UK; MRC Centre for Neurodevelopmental Disorders, King's College London, London, UK
| | - Deepak P Srivastava
- Department of Basic and Clinical Neuroscience, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, UK; MRC Centre for Neurodevelopmental Disorders, King's College London, London, UK
| | - Anthony C Vernon
- Department of Basic and Clinical Neuroscience, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, UK; MRC Centre for Neurodevelopmental Disorders, King's College London, London, UK.
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Tillmann KE, Schaer R, Mueller FS, Mueller K, Voelkl B, Weber-Stadlbauer U, Pollak DD. Differential effects of purified low molecular weight Poly(I:C) in the maternal immune activation model depend on the laboratory environment. Transl Psychiatry 2024; 14:300. [PMID: 39033141 PMCID: PMC11271296 DOI: 10.1038/s41398-024-03014-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/13/2023] [Revised: 06/27/2024] [Accepted: 07/04/2024] [Indexed: 07/23/2024] Open
Abstract
The Poly (I:C) (polyriboinosinic-polyribocytidilic acid) paradigm of maternal immune activation (MIA) is most widely used as experimental model for the evaluation of the effects of gestational infection on the brain and behavior of the progeny. We have previously reported significant batch-to-batch variability in the effects of Poly (I:C), purchased from the same supplier (Sigma-Aldrich), on maternal and fetal immune responses and found these differences to be dependent on the relative amount of synthetic double-stranded RNA fragments in the high versus low molecular weight (LMW) range contained in the compound. We here resorted to Poly (I:C) purified for LMW dsRNA fragments to establish a MIA paradigm with increased reproducibility and enhanced standardization in an effort to refine the MIA paradigm and characterize its effect on offspring behavior. We found that the parallel application of LMW Poly (I:C) in two different MIA-experienced laboratories (Vienna and Zurich) yielded differential outcomes in terms of maternal immune responses and behavioral phenotypes in the offspring generation. In both experimental sites, administration of LMW Poly (I:C) induced a significant sickness response and cytokine induction in the pregnant dam and fetal brains, while the expected deficit in sociability as one main behavioral outcome parameter in the MIA progeny, was only present in the Zurich, but not the Vienna cohort. We conclude that although using Poly (I:C) purified for a defined molecular weight range reduces batch-to-batch variability, it does not make the MIA model more reliable and robust. The differential response in behavioral phenotypes of the MIA offspring between the two laboratories illustrates the highly complex interaction between prenatal and postnatal milieus - including the laboratory environment - that determine offspring phenotypic outcomes after MIA. Consequently, establishing a new MIA protocol or implementing the MIA model firstly under new or changed environmental conditions must include the assessment of offspring behavior to ensure solid and reproducible experimental outcomes.
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Affiliation(s)
- Katharina E Tillmann
- Department of Neurophysiology and Neuropharmacology, Medical University of Vienna, Vienna, Austria
| | - Ron Schaer
- Institute of Pharmacology and Toxicology, University of Zurich-Vetsuisse, Zurich, Switzerland
| | - Flavia S Mueller
- Institute of Pharmacology and Toxicology, University of Zurich-Vetsuisse, Zurich, Switzerland
| | - Karin Mueller
- Department of Neurophysiology and Neuropharmacology, Medical University of Vienna, Vienna, Austria
| | - Bernhard Voelkl
- Animal Welfare Division, Veterinary Public Health Institute University of Bern, Bern, Switzerland
| | - Ulrike Weber-Stadlbauer
- Institute of Pharmacology and Toxicology, University of Zurich-Vetsuisse, Zurich, Switzerland.
- Neuroscience Center Zurich, University of Zurich and ETH, Winterthurerstrasse 190, 8057, Zurich, Switzerland.
| | - Daniela D Pollak
- Department of Neurophysiology and Neuropharmacology, Medical University of Vienna, Vienna, Austria.
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Gangadin SS, Enthoven AD, van Beveren NJM, Laman JD, Sommer IEC. Immune Dysfunction in Schizophrenia Spectrum Disorders. Annu Rev Clin Psychol 2024; 20:229-257. [PMID: 38996077 DOI: 10.1146/annurev-clinpsy-081122-013201] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/14/2024]
Abstract
Evidence from epidemiological, clinical, and biological research resulted in the immune hypothesis: the hypothesis that immune system dysfunction is involved in the pathophysiology of schizophrenia spectrum disorders (SSD). The promising implication of this hypothesis is the potential to use existing immunomodulatory treatment for innovative interventions for SSD. Here, we provide a selective historical review of important discoveries that have shaped our understanding of immune dysfunction in SSD. We first explain the basic principles of immune dysfunction, after which we travel more than a century back in time. Starting our journey with neurosyphilis-associated psychosis in the nineteenth century, we continue by evaluating the role of infections and autoimmunity in SSD and findings from assessment of immune function using new techniques, such as cytokine levels, microglia density, neuroimaging, and gene expression. Drawing from these findings, we discuss anti-inflammatory interventions for SSD, and we conclude with a look into the future.
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Affiliation(s)
- S S Gangadin
- Department of Psychiatry, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands;
| | - A D Enthoven
- Department of Psychiatry, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands;
| | - N J M van Beveren
- Department of Neuroscience, Erasmus MC, Rotterdam, The Netherlands
- Parnassia Group for Mental Health Care, The Hague and Rotterdam, The Netherlands
| | - J D Laman
- Department of Pathology and Medical Biology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - I E C Sommer
- Department of Psychiatry, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands;
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Rinne GR, Carroll JE, Guardino CM, Shalowitz MU, Ramey SL, Schetter CD. Parental Preconception Posttraumatic Stress Symptoms and Maternal Prenatal Inflammation Prospectively Predict Shorter Telomere Length in Children. Psychosom Med 2024; 86:410-421. [PMID: 37594236 PMCID: PMC10879462 DOI: 10.1097/psy.0000000000001241] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 08/19/2023]
Abstract
OBJECTIVE Parental trauma exposure and trauma-related distress can increase the risk of adverse health outcomes in offspring, but the pathways implicated in intergenerational transmission are not fully explicated. Accelerated biological aging may be one mechanism underlying less favorable health in trauma-exposed individuals and their offspring. This study examines the associations of preconception maternal and paternal posttraumatic stress disorder (PTSD) symptoms with child telomere length, and maternal prenatal C-reactive protein (CRP) as a biological mechanism. METHODS Mothers ( n = 127) and a subset of the fathers ( n = 84) reported on PTSD symptoms before conception. Mothers provided blood spots in the second and third trimesters that were assayed for CRP. At age 4 years, children provided buccal cells for measurement of telomere length. Models adjusted for parental age, socioeconomic status, maternal prepregnancy body mass index, child biological sex, and child age. RESULTS Mothers' PTSD symptoms were significantly associated with shorter child telomere length ( β = -0.22, SE = 0.10, p = .023). Fathers' PTSD symptoms were also inversely associated with child telomere length ( β = -0.21, SE = 0.11), although nonsignificant ( p = .065). There was no significant indirect effect of mothers' PTSD symptoms on child telomere length through CRP in pregnancy, but higher second-trimester CRP was significantly associated with shorter child telomere length ( β = -0.35, SE = 0.18, p = .048). CONCLUSIONS Maternal symptoms of PTSD before conception and second-trimester inflammation were associated with shorter telomere length in offspring in early childhood, independent of covariates. Findings indicate that intergenerational transmission of parental trauma may occur in part through accelerated biological aging processes and provide further evidence that prenatal proinflammatory processes program child telomere length.Open Science Framework Preregistration:https://osf.io/7c2d5/?view_only=cd0fb81f48db4b8f9c59fc8bb7b0ef97 .
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Affiliation(s)
| | - Judith E. Carroll
- Cousins Center for Psychoneuroimmunology, University of California, Los Angeles
- Department of Psychiatry and Biobehavioral Sciences, University of California, Los Angeles
- Semel Institute for Neuroscience and Human Behavior, University of California, Los Angeles
- David Geffen School of Medicine, University of California, Los Angeles
| | | | | | - Sharon Landesman Ramey
- Fralin Biomedical Research Institute. Virginia Polytechnic Institute and State University
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McLellan J, Croen LA, Iosif AM, Ashwood P, Yoshida C, Berger K, Van de Water J. Differences in mid-gestational and early postnatal neonatal cytokines and chemokines are associated with patterns of maternal autoantibodies in the context of autism. Cereb Cortex 2024; 34:50-62. [PMID: 38696596 PMCID: PMC11065110 DOI: 10.1093/cercor/bhae082] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2023] [Revised: 01/25/2024] [Accepted: 01/06/2024] [Indexed: 05/04/2024] Open
Abstract
Associations between maternal immune dysregulation (including autoimmunity and skewed cytokine/chemokine profiles) and offspring neurodevelopmental disorders such as autism have been reported. In maternal autoantibody-related autism, specific maternally derived autoantibodies can access the fetal compartment to target eight proteins critical for neurodevelopment. We examined the relationship between maternal autoantibodies to the eight maternal autoantibody-related autism proteins and cytokine/chemokine profiles in the second trimester of pregnancy in mothers of children later diagnosed with autism and their neonates' cytokine/chemokine profiles. Using banked maternal serum samples from 15 to 19 weeks of gestation from the Early Markers for Autism Study and corresponding banked newborn bloodspots, we identified three maternal/offspring groups based on maternal autoantibody status: (1) mothers with autoantibodies to one or more of the eight maternal autoantibody-related autismassociated proteins but not a maternal autoantibody-related autism-specific pattern, (2) mothers with a known maternal autoantibody-related autism pattern, and (3) mothers without autoantibodies to any of the eight maternal autoantibody-related autism proteins. Using a multiplex platform, we measured maternal second trimester and neonatal cytokine/chemokine levels. This combined analysis aimed to determine potential associations between maternal autoantibodies and the maternal and neonatal cytokine/chemokine profiles, each of which has been shown to have implications on offspring neurodevelopment independently.
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Affiliation(s)
- Janna McLellan
- Department of Internal Medicine, Division of Rheumatology, Allergy, and Clinical Immunology, University of California Davis, 451 Health Sciences Drive, Suite 6505C, Davis, CA 95616, United States
| | - Lisa A Croen
- Division of Research, Kaiser Permanente Northern California, 2000 Broadway, Oakland, CA 94612, United States
| | - Ana-Maria Iosif
- Department of Public Health Sciences, Division of Biostatistics, University of California Davis, Medical Sciences 1C, Davis, CA, 95616, United States
| | - Paul Ashwood
- MIND Institute, University of California Davis, 2805 Wet Lab Building, Sacramento, CA 95817, United States
- Department of Medical Microbiology and Immunology, University of California Davis, 3146 One Shields Avenue, Tupper Hall, Davis, CA 95616, United States
| | - Cathleen Yoshida
- Division of Research, Kaiser Permanente Northern California, 2000 Broadway, Oakland, CA 94612, United States
| | - Kimberly Berger
- Sequoia Foundation, 741 Addison Suite B, Berkeley, CA 94710, United States
| | - Judy Van de Water
- Department of Internal Medicine, Division of Rheumatology, Allergy, and Clinical Immunology, University of California Davis, 451 Health Sciences Drive, Suite 6505C, Davis, CA 95616, United States
- MIND Institute, University of California Davis, 2805 Wet Lab Building, Sacramento, CA 95817, United States
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Lipner E, Mac Giollabhui N, Breen EC, Cohn BA, Krigbaum NY, Cirillo PM, Olino TM, Alloy LB, Ellman LM. Sex-Specific Pathways From Prenatal Maternal Inflammation to Adolescent Depressive Symptoms. JAMA Psychiatry 2024; 81:498-505. [PMID: 38324324 PMCID: PMC10851141 DOI: 10.1001/jamapsychiatry.2023.5458] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/19/2023] [Accepted: 10/30/2023] [Indexed: 02/08/2024]
Abstract
Importance Prenatal maternal inflammation has been associated with major depressive disorder in offspring in adulthood as well as with internalizing and externalizing symptoms in childhood; however, the association between prenatal inflammation and offspring depression in adolescence has yet to be examined. Objective To determine whether maternal levels of inflammatory biomarkers during pregnancy are associated with depressive symptomatology in adolescent-aged offspring and to examine how gestational timing, offspring sex, and childhood psychiatric symptoms impact these associations. Design, Setting, and Participants This was an observational study of a population-based birth cohort from the Child Health and Development Studies (CHDS), which recruited almost all mothers receiving obstetric care from the Kaiser Foundation Health Plan (KFHP) in Alameda County, California, between June 1959 and September 1966. Pregnancy data and blood sera were collected from mothers, and offspring psychiatric symptom data were collected in childhood (ages 9-11 years) and adolescence (ages 15-17 years). Mother-offspring dyads with available maternal prenatal inflammatory biomarkers during first and/or second trimesters and offspring depressive symptom data at adolescent follow-up were included. Data analyses took place between March 2020 and June 2023. Exposures Levels of inflammatory biomarkers (interleukin 6 [IL-6], IL-8, IL-1 receptor antagonist [IL-1RA], and soluble tumor necrosis factor receptor-II) assayed from maternal sera in the first and second trimesters of pregnancy. Main Outcomes and Measures Self-reported depressive symptoms at adolescent follow-up. Results A total of 674 mothers (mean [SD] age, 28.1 [5.9] years) and their offspring (350 male and 325 female) were included in this study. Higher second trimester IL-6 was significantly associated with greater depressive symptoms in offspring during adolescence (b, 0.57; SE, 0.26); P = .03). Moderated mediation analyses showed that childhood externalizing symptoms significantly mediated the association between first trimester IL-6 and adolescent depressive symptoms in male offspring (b, 0.18; 95% CI, 0.02-0.47), while childhood internalizing symptoms mediated the association between second trimester IL-1RA and adolescent depressive symptoms in female offspring (b, 0.80; 95% CI, 0.19-1.75). Conclusions and Relevance In this study, prenatal maternal inflammation was associated with depressive symptoms in adolescent-aged offspring. The findings of the study suggest that pathways to adolescent depressive symptomatology from prenatal risk factors may differ based on both the timing of exposure to prenatal inflammation and offspring sex.
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Affiliation(s)
- Emily Lipner
- Department of Psychology and Neuroscience, Temple University, Philadelphia, Pennsylvania
| | - Naoise Mac Giollabhui
- Department of Psychology and Neuroscience, Temple University, Philadelphia, Pennsylvania
- Department of Psychiatry, Massachusetts General Hospital, Boston
| | - Elizabeth C. Breen
- Cousins Center for Psychoneuroimmunology, Department of Psychiatry and Biobehavioral Sciences, University of California, Los Angeles
| | - Barbara A. Cohn
- Child Health and Development Studies, Public Health Institute, Berkeley, California
| | - Nickilou Y. Krigbaum
- Child Health and Development Studies, Public Health Institute, Berkeley, California
| | - Piera M. Cirillo
- Child Health and Development Studies, Public Health Institute, Berkeley, California
| | - Thomas M. Olino
- Department of Psychology and Neuroscience, Temple University, Philadelphia, Pennsylvania
| | - Lauren B. Alloy
- Department of Psychology and Neuroscience, Temple University, Philadelphia, Pennsylvania
| | - Lauren M. Ellman
- Department of Psychology and Neuroscience, Temple University, Philadelphia, Pennsylvania
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9
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Fernandes KA, Lim AI. Maternal-driven immune education in offspring. Immunol Rev 2024; 323:288-302. [PMID: 38445769 DOI: 10.1111/imr.13315] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/07/2024]
Abstract
Maternal environmental exposures, particularly during gestation and lactation, significantly influence the immunological development and long-term immunity of offspring. Mammalian immune systems develop through crucial inputs from the environment, beginning in utero and continuing after birth. These critical developmental windows are essential for proper immune system development and, once closed, may not be reopened. This review focuses on the mechanisms by which maternal exposures, particularly to pathogens, diet, and microbiota, impact offspring immunity. Mechanisms driving maternal-offspring immune crosstalk include transfer of maternal antibodies, changes in the maternal microbiome and microbiota-derived metabolites, and transfer of immune cells and cytokines via the placenta and breastfeeding. We further discuss the role of transient maternal infections, which are common during pregnancy, in providing tissue-specific immune education to offspring. We propose a "maternal-driven immune education" hypothesis, which suggests that offspring can use maternal encounters that occur during a critical developmental window to develop optimal immune fitness against infection and inflammation.
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Affiliation(s)
| | - Ai Ing Lim
- Department of Molecular Biology, Princeton University, Princeton, New Jersey, USA
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10
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Rose SJ, Nguyen EM, Branda ME, Melo V, Vega B, Kazemi-Butterfield N, Cheek-Norgan EH, Girard S, Norgan AP, Theiler RN, Enninga EAL. Maternal Factors and Placental Pathologies Associated with a Diagnosis of Chronic Villitis. Am J Perinatol 2024; 41:e3351-e3362. [PMID: 38057089 PMCID: PMC11156567 DOI: 10.1055/a-2223-3348] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/08/2023]
Abstract
OBJECTIVE To evaluate maternal risk factors associated with chronic villitis of unknown etiology (VUE) and to describe cooccurring placental pathologies. STUDY DESIGN A retrospective case-control study was conducted using placental pathology records from deliveries ≥ 20 weeks between 2010 and 2018. Cases were placentas with documented chronic villitis without infectious cause, hereafter called VUE. Controls were placentas without this diagnosis, matched to the cases 2:1. Maternal and neonatal demographic and clinical data were collected. Descriptive statistics are reported with Fisher's exact test or a chi-squared test, as appropriate, and multivariable conditional logistic regression was conducted. RESULTS Our study included 352 cases with VUE and 657 controls. A diagnosis of gestational diabetes (p = 0.03) and gestational hypertension (p = 0.06) was 1.5 times more likely to occur in those with a VUE diagnosis. A trend was also seen for chronic hypertension (odds ratio [OR] = 1.7, p = 0.07) and preeclampsia (OR = 1.5, p = 0.09) compared with controls. Placentas with VUE, specifically high-grade VUE, were more likely to be small for gestational age (p = 0.01), and to be diagnosed with other placental findings including lymphoplasmacytic or chronic deciduitis (p < 0.01), maternal (p < 0.01) and fetal vascular malperfusion (p = 0.02), and chorionitis (acute or chronic; p < 0.01). CONCLUSION Gestational diabetes and hypertension were associated with a diagnosis of VUE, and overall, VUE placentas have more abnormal placental findings compared with control. Understanding VUE risk factors may facilitate prenatal care strategies and counseling to achieve the best outcomes for pregnant patients and their neonates. KEY POINTS · VUE is a common inflammatory lesion of the placenta.. · Gestational diabetes and hypertension are associated with a VUE diagnosis.. · Findings of other placental pathologies increase in VUE..
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Affiliation(s)
- Sherrill J. Rose
- Department of Obstetrics and Gynecology, Mayo Clinic, Rochester, MN, USA
| | - Eliza M. Nguyen
- Department of Obstetrics and Gynecology, Mayo Clinic, Rochester, MN, USA
| | - Megan E. Branda
- Department of Health Science Research, Mayo Clinic, Rochester, MN, USA
| | - Valeria Melo
- Mayo Clinic Alix School of Medicine, Mayo Clinic, Rochester, MN, USA
| | - Beatriz Vega
- Mayo Clinic Alix School of Medicine, Mayo Clinic, Rochester, MN, USA
| | - Nazanin Kazemi-Butterfield
- Mayo Clinic Alix School of Medicine, Mayo Clinic, Rochester, MN, USA
- Mayo Graduate School, Mayo Clinic, Rochester, MN, USA
| | | | - Sylvie Girard
- Department of Obstetrics and Gynecology, Mayo Clinic, Rochester, MN, USA
- Department of Immunology, Mayo Clinic, Rochester, MN, USA
| | | | - Regan N. Theiler
- Department of Obstetrics and Gynecology, Mayo Clinic, Rochester, MN, USA
| | - Elizabeth Ann L. Enninga
- Department of Obstetrics and Gynecology, Mayo Clinic, Rochester, MN, USA
- Department of Immunology, Mayo Clinic, Rochester, MN, USA
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11
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Lee Y, McDonald E, Gundogan F, Barry CV, Tallo V, Colt S, Friedman JF. Early-life matters: The role of fetal adrenal steroids in the relationship between cytokines within the placental circulation and cognitive development among infants in the Philippines. Brain Behav Immun 2024; 118:510-520. [PMID: 38431237 DOI: 10.1016/j.bbi.2024.02.036] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/10/2023] [Revised: 02/08/2024] [Accepted: 02/28/2024] [Indexed: 03/05/2024] Open
Abstract
Prenatal exposure to inflammation is related to the risk for cognitive impairment in offspring. However, mechanisms underlying the link between inflammatory cytokines at the maternal-fetal interface and human cognitive development are largely unknown. This study addressed this research gap by examining whether i) cytokines within the placenta are associated with different domains of neurocognitive development during infancy, and ii) if DHEA-S in cord blood mediates these associations. We also explored the role of early-life socioeconomic status (SES) in moderating the effect of fetal adrenal steroids on cognitive development in low- and middle-income country contexts. A cohort of 242 mother-infant dyads in Leyte, the Philippines participated in the study and all of them were followed from early pregnancy until 12-months. Concentrations of pro- and anti-inflammatory cytokines in the placenta, and DHEA-S in cord blood collected at delivery were evaluated. The multifactorial aspects of the infant's cognitive functioning were assessed based on the Bayley Scales of Infant Development, third edition (BSID-III). We used Structural Equation Modelling (SEM) with an orthogonal rotation to examine associated paths among latent variables of pro- and anti-inflammatory cytokines in the placenta, fetal neuroendocrine factors, and cognitive development. Pathway analyses showed that both pro- and anti-inflammatory cytokines in the placenta were indirectly related to cognitive (p < 0.05) and language developmental outcomes (p < 0.1) via DHEA-S in cord blood among the low SES group. Yet, we found no statistically significant indirect effect of pro- or anti-inflammatory cytokines on neurocognitive development among the high SES sub-sample. This study extends our understanding of how early-life socioeconomic conditions modify biological pathways underlying the relationship between prenatal factors and postpartum cognitive development.
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Affiliation(s)
- Yeonjin Lee
- Department of Pathology and Laboratory Medicine, Warren Alpert Medical School of Brown University, Providence, RI, United States; Department of Sociology, Kookmin University, Seoul, South Korea.
| | - Emily McDonald
- Center for International Health Research, Rhode Island Hospital, Providence, RI, United States; Department of Pediatrics, Warren Alpert Medical School of Brown University, Providence, RI, United States
| | - Fusun Gundogan
- Department of Pathology and Laboratory Medicine, Warren Alpert Medical School of Brown University, Providence, RI, United States
| | - Christopher V Barry
- Center for International Health Research, Rhode Island Hospital, Providence, RI, United States; Warren Alpert Medical School of Brown University, Providence, RI, United States
| | - Veronica Tallo
- Research Institute for Tropical Medicine, Manila, Philippines
| | - Susannah Colt
- Center for International Health Research, Rhode Island Hospital, Providence, RI, United States; Department of Pediatrics, Warren Alpert Medical School of Brown University, Providence, RI, United States
| | - Jennifer F Friedman
- Center for International Health Research, Rhode Island Hospital, Providence, RI, United States; Warren Alpert Medical School of Brown University, Providence, RI, United States; Department of Epidemiology, Brown University, Providence, RI, United States; Department of Pediatrics, Warren Alpert Medical School of Brown University, Providence, RI, United States
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12
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Park HR, Hogan KA, Harris SM, Chames MC, Loch-Caruso R. Group B streptococcus induces cellular senescence in human amnion epithelial cells through a partial interleukin-1-mediated mechanism. Biol Reprod 2024; 110:329-338. [PMID: 37903065 PMCID: PMC10873272 DOI: 10.1093/biolre/ioad149] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2023] [Revised: 09/25/2023] [Accepted: 10/24/2023] [Indexed: 11/01/2023] Open
Abstract
Group B streptococcus (GBS) infection is a significant public health concern associated with adverse pregnancy complications and increased neonatal mortality and morbidity. However, the mechanisms underlying the impact of GBS on the fetal membrane, the first line of defense against pathogens, are not fully understood. Here, we propose that GBS induces senescence and inflammatory factors (IL-6 and IL-8) in the fetal membrane through interleukin-1 (IL-1). Utilizing the existing transcriptomic data on GBS-exposed human fetal membrane, we showed that GBS affects senescence-related pathways and genes. Next, we treated primary amnion epithelial cells with conditioned medium from the choriodecidual layer of human fetal membrane exposed to GBS (GBS collected choriodecidual [CD] conditioned medium) in the absence or presence of an IL-1 receptor antagonist (IL-1Ra). GBS CD conditioned medium significantly increased β-galactosidase activity, IL-6 and IL-8 release from the amnion epithelial cells. Cotreatment with IL1Ra reduced GBS-induced β-galactosidase activity and IL-6 and IL-8 secretion. Direct treatment with IL-1α or IL-1β confirmed the role of IL-1 signaling in the regulation of senescence in the fetal membrane. We further showed that GBS CD conditioned medium and IL-1 decreased cell proliferation in amnion epithelial cells. In summary, for the first time, we demonstrate GBS-induced senescence in the fetal membrane and present evidence of IL-1 pathway signaling between the choriodecidua and amnion layer of fetal membrane in a paracrine manner. Further studies will be warranted to understand the pathogenesis of adverse pregnancy outcomes associated with GBS infection and develop therapeutic interventions to mitigate these complications.
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Affiliation(s)
- Hae-Ryung Park
- Department of Environmental Medicine, School of Medicine and Dentistry, University of Rochester, Rochester, NY, USA
| | - Kelly A Hogan
- Department of Biochemistry & Molecular Biology, Huck Institutes of the Life Sciences, Pennsylvania State University, University Park, PA, USA
| | - Sean M Harris
- Department of Environmental Health Sciences, School of Public Health, University of Michigan, Ann Arbor, MI, USA
| | - Mark C Chames
- Department of Obstetrics and Gynecology, School of Medicine, University of Michigan, Ann Arbor, MI, USA
| | - Rita Loch-Caruso
- Department of Environmental Health Sciences, School of Public Health, University of Michigan, Ann Arbor, MI, USA
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13
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Mostallino R, Santoni M, Sagheddu C, Serra V, Orrù V, Pistis M, Castelli MP. The PPARα agonist fenofibrate reduces the cytokine imbalance in a maternal immune activation model of schizophrenia. Eur J Pharmacol 2023; 961:176172. [PMID: 37939988 DOI: 10.1016/j.ejphar.2023.176172] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2023] [Revised: 10/27/2023] [Accepted: 10/30/2023] [Indexed: 11/10/2023]
Abstract
Maternal infections during pregnancy may increase the risk of psychiatric disorders in offspring. We recently demonstrated that activation of peroxisome proliferator-activate receptor-α (PPARα), with the clinically available agonist fenofibrate (FEN), attenuates the neurodevelopmental disturbances induced by maternal immune activation (MIA) in rat offspring. We hypothesized that fenofibrate might reduce MIA-induced cytokine imbalance using a MIA model based on the viral mimetic polyriboinosinic-polyribocytidilic acid [poly (I:C)]. By using the Bio-Plex Multiplex-Immunoassay-System, we measured cytokine/chemokine/growth factor levels in maternal serum and in the fetal brain of rats treated with fenofibrate, at 6 and 24 h after poly (I:C). We found that MIA induced time-dependent changes in the levels of several cytokines/chemokines/colony-stimulating factors (CSFs). Specifically, the maternal serum of the poly (I:C)/control (CTRL) group showed increased levels of (i) proinflammatory chemokine macrophage inflammatory protein 1-alpha (MIP-1α), (ii) tumor necrosis factor-alpha (TNF-α), the monocyte chemoattractant protein-1 (MCP-1), the macrophage (M-CSF) and granulocyte-macrophage colony-stimulating factor (GM-CSF). Conversely, in the fetal brain of the poly (I:C)/CTRL group, interleukin 12p70 and MIP-1α levels were lower than in vehicle (veh)/CTRL group. Notably, MIP-1α, TNF-α, keratinocyte derived chemokine (GRO/KC), GM-CSF, and M-CSF levels were lower in the poly (I:C)/FEN than in poly (I:C)/CTRL rats, suggesting the protective role of the PPARα agonist. PPARα might represent a therapeutic target to attenuate MIA-induced inflammation.
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Affiliation(s)
- Rafaela Mostallino
- Department of Biomedical Sciences, University of Cagliari, 09042, Monserrato, Italy
| | - Michele Santoni
- Department of Biomedical Sciences, University of Cagliari, 09042, Monserrato, Italy
| | - Claudia Sagheddu
- Department of Biomedical Sciences, University of Cagliari, 09042, Monserrato, Italy
| | - Valentina Serra
- Institute for Genetic and Biomedical Research, National Research Council (CNR), Lanusei, Italy
| | - Valeria Orrù
- Institute for Genetic and Biomedical Research, National Research Council (CNR), Lanusei, Italy
| | - Marco Pistis
- Department of Biomedical Sciences, University of Cagliari, 09042, Monserrato, Italy; Neuroscience Institute, National Research Council of Italy, Section of Cagliari, Italy; Unit of Clinical Pharmacology, University Hospital, Cagliari, Italy.
| | - M Paola Castelli
- Department of Biomedical Sciences, University of Cagliari, 09042, Monserrato, Italy.
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14
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Sarieva K, Kagermeier T, Khakipoor S, Atay E, Yentür Z, Becker K, Mayer S. Human brain organoid model of maternal immune activation identifies radial glia cells as selectively vulnerable. Mol Psychiatry 2023; 28:5077-5089. [PMID: 36878967 PMCID: PMC9986664 DOI: 10.1038/s41380-023-01997-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/09/2022] [Revised: 02/07/2023] [Accepted: 02/10/2023] [Indexed: 03/08/2023]
Abstract
Maternal immune activation (MIA) during critical windows of gestation is correlated with long-term neurodevelopmental deficits in the offspring, including increased risk for autism spectrum disorder (ASD) in humans. Interleukin 6 (IL-6) derived from the gestational parent is one of the major molecular mediators by which MIA alters the developing brain. In this study, we establish a human three-dimensional (3D) in vitro model of MIA by treating induced pluripotent stem cell-derived dorsal forebrain organoids with a constitutively active form of IL-6, Hyper-IL-6. We validate our model by showing that dorsal forebrain organoids express the molecular machinery necessary for responding to Hyper-IL-6 and activate STAT signaling upon Hyper-IL-6 treatment. RNA sequencing analysis reveals the upregulation of major histocompatibility complex class I (MHCI) genes in response to Hyper-IL-6 exposure, which have been implicated with ASD. We find a small increase in the proportion of radial glia cells after Hyper-IL-6 treatment through immunohistochemistry and single-cell RNA-sequencing. We further show that radial glia cells are the cell type with the highest number of differentially expressed genes, and Hyper-IL-6 treatment leads to the downregulation of genes related to protein translation in line with a mouse model of MIA. Additionally, we identify differentially expressed genes not found in mouse models of MIA, which might drive species-specific responses to MIA. Finally, we show abnormal cortical layering as a long-term consequence of Hyper-IL-6 treatment. In summary, we establish a human 3D model of MIA, which can be used to study the cellular and molecular mechanisms underlying the increased risk for developing disorders such as ASD.
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Affiliation(s)
- Kseniia Sarieva
- Hertie Institute for Clinical Brain Research, University of Tübingen, Tübingen, Germany
- International Max Planck Research School, Graduate Training Centre of Neuroscience, University of Tübingen, Tübingen, Germany
| | - Theresa Kagermeier
- Hertie Institute for Clinical Brain Research, University of Tübingen, Tübingen, Germany
- International Max Planck Research School, Graduate Training Centre of Neuroscience, University of Tübingen, Tübingen, Germany
| | - Shokoufeh Khakipoor
- Hertie Institute for Clinical Brain Research, University of Tübingen, Tübingen, Germany
| | - Ezgi Atay
- Hertie Institute for Clinical Brain Research, University of Tübingen, Tübingen, Germany
| | - Zeynep Yentür
- Hertie Institute for Clinical Brain Research, University of Tübingen, Tübingen, Germany
- International Max Planck Research School, Graduate Training Centre of Neuroscience, University of Tübingen, Tübingen, Germany
- Heidelberger Akademie der Wissenschaften, Heidelberg, Germany
| | - Katharina Becker
- Hertie Institute for Clinical Brain Research, University of Tübingen, Tübingen, Germany
| | - Simone Mayer
- Hertie Institute for Clinical Brain Research, University of Tübingen, Tübingen, Germany.
- International Max Planck Research School, Graduate Training Centre of Neuroscience, University of Tübingen, Tübingen, Germany.
- Heidelberger Akademie der Wissenschaften, Heidelberg, Germany.
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15
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Piekarska K, Dratwa M, Radwan P, Radwan M, Bogunia-Kubik K, Nowak I. Pro- and anti-inflammatory cytokines and growth factors in patients undergoing in vitro fertilization procedure treated with prednisone. Front Immunol 2023; 14:1250488. [PMID: 37744353 PMCID: PMC10511889 DOI: 10.3389/fimmu.2023.1250488] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2023] [Accepted: 08/23/2023] [Indexed: 09/26/2023] Open
Abstract
Embryo implantation is a key moment in pregnancy. Abnormal production of pro- and anti-inflammatory cytokines, their receptors and other immune factors may result in embryo implantation failure and pregnancy loss. The aim of this study was to determine the profile of selected pro- and anti-inflammatory factors in the blood plasma of patients undergoing in vitro fertilization (IVF) and control women who achieved pregnancy after natural conception. The examined patients were administered steroid prednisone. We present results concern the plasma levels of IFN-ɣ, BDNF, LIF, VEGF-A, sTNFR1 and IL-10. We found that IVF patients receiving steroids differed significantly from patients who were not administered such treatment in terms of IFN-γ and IL-10 levels. Moreover, IVF patients differed in secretion of all tested factors with the fertile controls. Our results indicated that women who secrete at least 1409 pg/ml of sTNFR1 have a chance to become pregnant naturally and give birth to a child, while patients after IVF must achieve a concentration of 962.3 pg/ml sTNFR1 in blood plasma for successful pregnancy. In addition, IVF patients secreting VEGF-A above 43.28 pg/ml have a greater risk of miscarriage or a failed transfer in comparison to women secreting below this value. In conclusion, fertile women present a different profile of pro- and anti-inflammatory cytokines, and growth factors compared to patients with recurrent implantation failure (RIF).
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Affiliation(s)
- Karolina Piekarska
- Laboratory of Immunogenetics and Tissue Immunology, Department of Clinical Immunology, Hirszfeld Institute of Immunology and Experimental Therapy, Polish Academy of Sciences, Wrocław, Poland
| | - Marta Dratwa
- Laboratory of Clinical Immunogenetics and Pharmacogenetics, Department of Clinical Immunology, Hirszfeld Institute of Immunology and Experimental Therapy, Polish Academy of Sciences, Wrocław, Poland
| | - Paweł Radwan
- Department of Reproductive Medicine, Gameta Hospital, Rzgów, Poland
| | - Michał Radwan
- Department of Reproductive Medicine, Gameta Hospital, Rzgów, Poland
- Faculty of Health Sciences, The Mazovian Academy in Plock, Płock, Poland
| | - Katarzyna Bogunia-Kubik
- Laboratory of Clinical Immunogenetics and Pharmacogenetics, Department of Clinical Immunology, Hirszfeld Institute of Immunology and Experimental Therapy, Polish Academy of Sciences, Wrocław, Poland
| | - Izabela Nowak
- Laboratory of Immunogenetics and Tissue Immunology, Department of Clinical Immunology, Hirszfeld Institute of Immunology and Experimental Therapy, Polish Academy of Sciences, Wrocław, Poland
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16
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Chibanda Y, Brookes M, Churchill D, Al-Hassi H. The Ferritin, Hepcidin and Cytokines Link in the Diagnoses of Iron Deficiency Anaemia during Pregnancy: A Review. Int J Mol Sci 2023; 24:13323. [PMID: 37686128 PMCID: PMC10488244 DOI: 10.3390/ijms241713323] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2023] [Revised: 08/21/2023] [Accepted: 08/23/2023] [Indexed: 09/10/2023] Open
Abstract
Following a diagnosis of iron deficiency anaemia in pregnancy, iron supplements are prescribed using UK guidelines; however, despite this, the condition remains highly prevalent, affecting up to 30% of pregnant women in the UK. According to the World Health Organisation, it globally accounts for 45% in the most vulnerable groups of pregnant women and infants (<5 years old). Recently, the efficacy of iron replacement therapy and the effectiveness of current standard testing of iron parameters have been reviewed in order to evaluate whether a more accurate diagnosis can be made using alternative and/or supplementary markers. Furthermore, many questions remain about the mechanisms involved in iron metabolism during pregnancy. The most recent studies have shed more light on serum hepcidin and raised questions on the significance of pregnancy related inflammatory markers including cytokines in iron deficiency anaemia. However, research into this is still scarce, and this review aims to contribute to further understanding and elucidating these areas.
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Affiliation(s)
- Yvonne Chibanda
- Research Institute in Healthcare Science, University of Wolverhampton, Wolverhampton WV1 1LY, UK
| | - Matthew Brookes
- Gastroenterology, The Royal Wolverhampton NHS Trust, Wolverhampton WV10 0QP, UK
| | - David Churchill
- Obstetrics, The Royal Wolverhampton NHS Trust, Wolverhampton WV10 0QP, UK
| | - Hafid Al-Hassi
- Research Institute in Healthcare Science, University of Wolverhampton, Wolverhampton WV1 1LY, UK
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17
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Couch ACM, Solomon S, Duarte RRR, Marrocu A, Sun Y, Sichlinger L, Matuleviciute R, Polit LD, Hanger B, Brown A, Kordasti S, Srivastava DP, Vernon AC. Acute IL-6 exposure triggers canonical IL6Ra signaling in hiPSC microglia, but not neural progenitor cells. Brain Behav Immun 2023; 110:43-59. [PMID: 36781081 PMCID: PMC10682389 DOI: 10.1016/j.bbi.2023.02.007] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/09/2022] [Revised: 12/20/2022] [Accepted: 02/10/2023] [Indexed: 02/13/2023] Open
Abstract
BACKGROUND Prenatal exposure to elevated interleukin (IL)-6 levels is associated with increased risk for psychiatric disorders with a putative neurodevelopmental origin, such as schizophrenia (SZ), autism spectrum condition (ASC) and bipolar disorder (BD). Although rodent models provide causal evidence for this association, we lack a detailed understanding of the cellular and molecular mechanisms in human model systems. To close this gap, we characterized the response of human induced pluripotent stem cell (hiPSC-)derived microglia-like cells (MGL) and neural progenitor cells (NPCs) to IL-6 in monoculture. RESULTS We observed that human forebrain NPCs did not respond to acute IL-6 exposure in monoculture at both protein and transcript levels due to the absence of IL6R expression and soluble (s)IL6Ra secretion. By contrast, acute IL-6 exposure resulted in STAT3 phosphorylation and increased IL6, JMJD3 and IL10 expression in MGL, confirming activation of canonical IL6Ra signaling. Bulk RNAseq identified 156 up-regulated genes (FDR < 0.05) in MGL following acute IL-6 exposure, including IRF8, REL, HSPA1A/B and OXTR, which significantly overlapped with an up-regulated gene set from human post-mortem brain tissue from individuals with schizophrenia. Acute IL-6 stimulation significantly increased MGL motility, consistent with gene ontology pathways highlighted from the RNAseq data and replicating rodent model indications that IRF8 regulates microglial motility. Finally, IL-6 induces MGLs to secrete CCL1, CXCL1, MIP-1α/β, IL-8, IL-13, IL-16, IL-18, MIF and Serpin-E1 after 3 h and 24 h. CONCLUSION Our data provide evidence for cell specific effects of acute IL-6 exposure in a human model system, ultimately suggesting that microglia-NPC co-culture models are required to study how IL-6 influences human cortical neural progenitor cell development in vitro.
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Affiliation(s)
- Amalie C M Couch
- Department of Basic and Clinical Neuroscience, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, UK; MRC Centre for Neurodevelopmental Disorders, King's College London, London, UK
| | - Shiden Solomon
- Department of Basic and Clinical Neuroscience, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, UK
| | - Rodrigo R R Duarte
- Department of Social, Genetic & Developmental Psychiatry, Institute of Psychiatry, Psychology & Neuroscience, King's College London, London, UK; Department of Medicine, Weill Cornell Medical College, Cornell University, NY, USA
| | - Alessia Marrocu
- Department of Basic and Clinical Neuroscience, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, UK; Division of Immunology, Infection and Inflammatory Disease, King's College London, London, UK
| | - Yiqing Sun
- Department of Basic and Clinical Neuroscience, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, UK
| | - Laura Sichlinger
- Department of Basic and Clinical Neuroscience, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, UK; MRC Centre for Neurodevelopmental Disorders, King's College London, London, UK
| | - Rugile Matuleviciute
- Department of Basic and Clinical Neuroscience, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, UK; MRC Centre for Neurodevelopmental Disorders, King's College London, London, UK
| | - Lucia Dutan Polit
- Department of Basic and Clinical Neuroscience, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, UK
| | - Bjørn Hanger
- Department of Basic and Clinical Neuroscience, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, UK; MRC Centre for Neurodevelopmental Disorders, King's College London, London, UK
| | - Amelia Brown
- Department of Basic and Clinical Neuroscience, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, UK; MRC Centre for Neurodevelopmental Disorders, King's College London, London, UK
| | - Shahram Kordasti
- Comprehensive Cancer Centre, School of Cancer and Pharmaceutical Sciences, Faculty of Life Sciences and Medicine, King's College London, London, UK
| | - Deepak P Srivastava
- Department of Basic and Clinical Neuroscience, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, UK; MRC Centre for Neurodevelopmental Disorders, King's College London, London, UK
| | - Anthony C Vernon
- Department of Basic and Clinical Neuroscience, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, UK; MRC Centre for Neurodevelopmental Disorders, King's College London, London, UK.
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18
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Hanson KL, Weir RK, Iosif AM, Van de Water J, Carter CS, McAllister AK, Bauman MD, Schumann CM. Altered dendritic morphology in dorsolateral prefrontal cortex of nonhuman primates prenatally exposed to maternal immune activation. Brain Behav Immun 2023; 109:92-101. [PMID: 36610487 PMCID: PMC10023379 DOI: 10.1016/j.bbi.2023.01.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/23/2022] [Revised: 12/06/2022] [Accepted: 01/03/2023] [Indexed: 01/06/2023] Open
Abstract
Women who contract a viral or bacterial infection during pregnancy have an increased risk of giving birth to a child with a neurodevelopmental or psychiatric disorder. The effects of maternal infection are likely mediated by the maternal immune response, as preclinical animal models have confirmed that maternal immune activation (MIA) leads to long lasting changes in offspring brain and behavior development. The present study sought to determine the impact of MIA-exposure during the first or second trimester on neuronal morphology in dorsolateral prefrontal cortex (DLPFC) and hippocampus from brain tissue obtained from MIA-exposed and control male rhesus monkey (Macaca mulatta) during late adolescence. MIA-exposed offspring display increased neuronal dendritic branching in pyramidal cells in DLPFC infra- and supragranular layers relative to controls, with no significant differences observed between offspring exposed to maternal infection in the first and second trimester. In addition, the diameter of apical dendrites in DLPFC infragranular layer is significantly decreased in MIA-exposed offspring relative to controls, irrespective of trimester exposure. In contrast, alterations in hippocampal neuronal morphology of MIA-exposed offspring were not evident. These findings demonstrate that a maternal immune challenge during pregnancy has long-term consequences for primate offspring dendritic structure, selectively in a brain region vital for socioemotional and cognitive development.
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Affiliation(s)
- Kari L Hanson
- Department of Psychiatry and Behavioral Sciences, University of California, Davis School of Medicine, United States; MIND Institute, University of California, Davis, United States
| | - Ruth K Weir
- Innovation & Enterprise Department, University College London, United Kingdom
| | - Ana-Maria Iosif
- Division of Biostatistics, Department of Public Health Sciences, University of California, Davis, United States
| | - Judy Van de Water
- MIND Institute, University of California, Davis, United States; Rheumatology/Allergy and Clinical Immunology, University of California, Davis, United States
| | - Cameron S Carter
- Department of Psychiatry and Behavioral Sciences, University of California, Davis School of Medicine, United States; Center for Neuroscience, University of California, Davis, United States
| | | | - Melissa D Bauman
- Department of Psychiatry and Behavioral Sciences, University of California, Davis School of Medicine, United States; MIND Institute, University of California, Davis, United States; California National Primate Research Center, University of California, Davis, United States.
| | - Cynthia M Schumann
- Department of Psychiatry and Behavioral Sciences, University of California, Davis School of Medicine, United States; MIND Institute, University of California, Davis, United States.
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Debnath M, Berk M. Is paternal immune activation just as important as maternal immune activation? Time to rethink the bi-parental immune priming of neurodevelopmental model of schizophrenia. Med Hypotheses 2023. [DOI: 10.1016/j.mehy.2023.111059] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/29/2023]
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20
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Santoni M, Sagheddu C, Serra V, Mostallino R, Castelli MP, Pisano F, Scherma M, Fadda P, Muntoni AL, Zamberletti E, Rubino T, Melis M, Pistis M. Maternal immune activation impairs endocannabinoid signaling in the mesolimbic system of adolescent male offspring. Brain Behav Immun 2023; 109:271-284. [PMID: 36746342 DOI: 10.1016/j.bbi.2023.02.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/26/2022] [Revised: 01/09/2023] [Accepted: 02/03/2023] [Indexed: 02/07/2023] Open
Abstract
Prenatal infections can increase the risk of developing psychiatric disorders such as schizophrenia in the offspring, especially when combined with other postnatal insults. Here, we tested, in a rat model of prenatal immune challenge by the viral mimic polyriboinosinic-polyribocytidilic acid, whether maternal immune activation (MIA) affects the endocannabinoid system and endocannabinoid-mediated modulation of dopamine functions. Experiments were performed during adolescence to assess i) the behavioral endophenotype (locomotor activity, plus maze, prepulse inhibition of startle reflex); ii) the locomotor activity in response to Δ9-Tetrahydrocannabinol (THC) and iii) the properties of ventral tegmental area (VTA) dopamine neurons in vivo and their response to THC; iv) endocannabinoid-mediated synaptic plasticity in VTA dopamine neurons; v) the expression of cannabinoid receptors and enzymes involved in endocannabinoid synthesis and catabolism in mesolimbic structures and vi) MIA-induced neuroinflammatory scenario evaluated by measurements of levels of cytokine and neuroinflammation markers. We revealed that MIA offspring displayed an altered locomotor activity in response to THC, a higher bursting activity of VTA dopamine neurons and a lack of response to cumulative doses of THC. Consistently, MIA adolescence offspring showed an enhanced 2-arachidonoylglycerol-mediated synaptic plasticity and decreased monoacylglycerol lipase activity in mesolimbic structures. Moreover, they displayed a higher expression of cyclooxygenase 2 (COX-2) and ionized calcium-binding adaptor molecule 1 (IBA-1), associated with latent inflammation and persistent microglia activity. In conclusion, we unveiled neurobiological mechanisms whereby inflammation caused by MIA influences the proper development of endocannabinoid signaling that negatively impacts the dopamine system, eventually leading to psychotic-like symptoms in adulthood.
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Affiliation(s)
- Michele Santoni
- Department of Biomedical Sciences, Section of Neuroscience and Clinical Pharmacology, University of Cagliari, Cagliari, Italy
| | - Claudia Sagheddu
- Department of Biomedical Sciences, Section of Neuroscience and Clinical Pharmacology, University of Cagliari, Cagliari, Italy
| | - Valeria Serra
- Department of Biomedical Sciences, Section of Neuroscience and Clinical Pharmacology, University of Cagliari, Cagliari, Italy
| | - Rafaela Mostallino
- Department of Biomedical Sciences, Section of Neuroscience and Clinical Pharmacology, University of Cagliari, Cagliari, Italy
| | - Maria Paola Castelli
- Department of Biomedical Sciences, Section of Neuroscience and Clinical Pharmacology, University of Cagliari, Cagliari, Italy
| | - Francesco Pisano
- Department of Biomedical Sciences, Section of Neuroscience and Clinical Pharmacology, University of Cagliari, Cagliari, Italy
| | - Maria Scherma
- Department of Biomedical Sciences, Section of Neuroscience and Clinical Pharmacology, University of Cagliari, Cagliari, Italy
| | - Paola Fadda
- Department of Biomedical Sciences, Section of Neuroscience and Clinical Pharmacology, University of Cagliari, Cagliari, Italy; Neuroscience Institute, Section of Cagliari, National Research Council of Italy (CNR), Cagliari, Italy
| | - Anna Lisa Muntoni
- Neuroscience Institute, Section of Cagliari, National Research Council of Italy (CNR), Cagliari, Italy
| | - Erica Zamberletti
- Department of Biotechnology and Life Sciences and Neuroscience Center, University of Insubria, Busto Arsizio, Italy
| | - Tiziana Rubino
- Department of Biotechnology and Life Sciences and Neuroscience Center, University of Insubria, Busto Arsizio, Italy
| | - Miriam Melis
- Department of Biomedical Sciences, Section of Neuroscience and Clinical Pharmacology, University of Cagliari, Cagliari, Italy
| | - Marco Pistis
- Department of Biomedical Sciences, Section of Neuroscience and Clinical Pharmacology, University of Cagliari, Cagliari, Italy; Neuroscience Institute, Section of Cagliari, National Research Council of Italy (CNR), Cagliari, Italy; Unit of Clinical Pharmacology, University Hospital, Cagliari, Italy.
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21
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Morgan ZEM, Bailey MJ, Trifonova DI, Naik NC, Patterson WB, Lurmann FW, Chang HH, Peterson BS, Goran MI, Alderete TL. Prenatal exposure to ambient air pollution is associated with neurodevelopmental outcomes at 2 years of age. Environ Health 2023; 22:11. [PMID: 36694159 PMCID: PMC9872424 DOI: 10.1186/s12940-022-00951-y] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2022] [Accepted: 12/19/2022] [Indexed: 06/17/2023]
Abstract
BACKGROUND Higher prenatal ambient air pollution exposure has been associated with impaired neurodevelopment in preschoolers and school-aged children. The purpose of this study was to explore the relationships between prenatal ambient air pollution exposure and neurodevelopment during infancy. METHODS This study examined 161 Latino mother-infant pairs from the Southern California Mother's Milk Study. Exposure assessments included prenatal nitrogen dioxide (NO2) and particulate matter smaller than 2.5 and 10 microns in diameter (PM2.5 and PM10, respectively). The pregnancy period was also examined as three windows, early, mid, and late, which describe the first, middle, and last three months of pregnancy. Infant neurodevelopmental outcomes at 2 years of age were measured using the Bayley-III Scales of Infant and Toddler Development. Multivariable linear models and distributed lag linear models (DLM) were used to examine relationships between prenatal exposures and neurodevelopmental scores, adjusting for socioeconomic status, breastfeeding frequency, time of delivery, pre-pregnancy body mass index, and infant birthweight and sex. RESULTS Higher prenatal exposure to PM10 and PM2.5 was negatively associated with composite cognitive score (β = -2.01 [-3.89, -0.13] and β = -1.97 [-3.83, -0.10], respectively). In addition, higher average prenatal exposure to PM10 was negatively associated with composite motor (β = -2.35 [-3.95, -0.74]), scaled motor (β = -0.77 [-1.30, -0.24]), gross motor (β = -0.37 [-0.70, -0.04]), fine motor (β = -0.40 [-0.71, -0.09]), composite language (β = -1.87 [-3.52, -0.22]), scaled language (β = -0.61 [-1.18, -0.05]) and expressive communication scaled scores (β = -0.36 [-0.66, -0.05]). DLMs showed that higher prenatal air pollution exposure during mid and late pregnancy was inversely associated with motor, cognitive, and communication language scores. CONCLUSIONS Higher exposure to air pollutants during pregnancy, particularly in the mid and late prenatal periods, was inversely associated with scaled and composite motor, cognitive, and language scores at 2 years. These results indicate that prenatal ambient air pollution may negatively impact neurodevelopment in early life.
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Affiliation(s)
- Zachariah E M Morgan
- Department of Integrative Physiology, University of Colorado Boulder, Boulder, CO, USA
| | - Maximilian J Bailey
- Department of Integrative Physiology, University of Colorado Boulder, Boulder, CO, USA
| | - Diana I Trifonova
- Department of Integrative Physiology, University of Colorado Boulder, Boulder, CO, USA
| | - Noopur C Naik
- Department of Integrative Physiology, University of Colorado Boulder, Boulder, CO, USA
| | - William B Patterson
- Department of Integrative Physiology, University of Colorado Boulder, Boulder, CO, USA
| | | | - Howard H Chang
- Rollins School of Public Health, Emory University, Atlanta, GA, USA
| | - Bradley S Peterson
- Department of Pediatrics, The Saban Research Institute, Children's Hospital Los Angeles, University of Southern California, Los Angeles, CA, USA
| | - Michael I Goran
- Department of Pediatrics, The Saban Research Institute, Children's Hospital Los Angeles, University of Southern California, Los Angeles, CA, USA
| | - Tanya L Alderete
- Department of Integrative Physiology, University of Colorado Boulder, Boulder, CO, USA.
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22
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Hall MB, Willis DE, Rodriguez EL, Schwarz JM. Maternal immune activation as an epidemiological risk factor for neurodevelopmental disorders: Considerations of timing, severity, individual differences, and sex in human and rodent studies. Front Neurosci 2023; 17:1135559. [PMID: 37123361 PMCID: PMC10133487 DOI: 10.3389/fnins.2023.1135559] [Citation(s) in RCA: 19] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2023] [Accepted: 03/13/2023] [Indexed: 05/02/2023] Open
Abstract
Epidemiological evidence suggests that one's risk of being diagnosed with a neurodevelopmental disorder (NDD)-such as autism, ADHD, or schizophrenia-increases significantly if their mother had a viral or bacterial infection during the first or second trimester of pregnancy. Despite this well-known data, little is known about how developing neural systems are perturbed by events such as early-life immune activation. One theory is that the maternal immune response disrupts neural processes important for typical fetal and postnatal development, which can subsequently result in specific and overlapping behavioral phenotypes in offspring, characteristic of NDDs. As such, rodent models of maternal immune activation (MIA) have been useful in elucidating neural mechanisms that may become dysregulated by MIA. This review will start with an up-to-date and in-depth, critical summary of epidemiological data in humans, examining the association between different types of MIA and NDD outcomes in offspring. Thereafter, we will summarize common rodent models of MIA and discuss their relevance to the human epidemiological data. Finally, we will highlight other factors that may interact with or impact MIA and its associated risk for NDDs, and emphasize the importance for researchers to consider these when designing future human and rodent studies. These points to consider include: the sex of the offspring, the developmental timing of the immune challenge, and other factors that may contribute to individual variability in neural and behavioral responses to MIA, such as genetics, parental age, the gut microbiome, prenatal stress, and placental buffering.
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23
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IL-10: A bridge between immune cells and metabolism during pregnancy. J Reprod Immunol 2022; 154:103750. [PMID: 36156316 DOI: 10.1016/j.jri.2022.103750] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2022] [Revised: 08/06/2022] [Accepted: 09/14/2022] [Indexed: 12/14/2022]
Abstract
Energy metabolism plays a crucial role in the immune system. In addition to providing vital energy for cell growth, reproduction and other cell activities, the metabolism of nutrients such as glucose and lipids also have significant effects on cell function through metabolites, metabolic enzymes, and changing metabolic status. Interleukin-10 (IL-10), as a pleiotropic regulator, can be secreted by a diverse set of cells and can also participate in regulating the functions of various cells, thereby playing an essential role in the formation and maintenance of immune tolerance in pregnancy. Studies on the regulatory effects and mechanisms of IL-10 on immune cells are extensive; however, research from a metabolic perspective is relatively negligible. Here, we have discussed old and new data on the relationship between IL-10 and metabolism. The data show that alterations in cellular metabolism and specific metabolites regulate IL-10 production of immune cells. Moreover, IL-10 regulates immune cell phenotypes and functions by modulating oxidative phosphorylation and glycolysis. This review summarizes some earlier observations regarding IL-10 and its relationship with immune cells in pregnancy, and also presents recent research on the link between IL-10 and metabolism, highlighting the potential relationship between IL-10, immune cells, and energy metabolism during pregnancy.
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Abstract
BACKGROUND Dysregulation of inflammatory processes is linked to perinatal complications yet a comprehensive description of cytokine levels throughout the perinatal period is lacking. We report prospective, serial levels of 29 unique cytokines measured in maternal blood during pregnancy, in the cord blood at birth, and in the neonatal blood. METHODS Pregnant women (n = 140) for recruited from a Midwest tertiary medical center. Blood was obtained at five timepoints: 12-20 weeks, 24-28 weeks, and at labor in the women, umbilical cord at birth, 24-72 h in the newborn. Cytokine levels were analyzed using an electrochemiluminescence-based immunoassay. RESULTS Levels for 29 cytokines were measured. The data were separated into two groups: pregnancies with (n = 82) and without major complications (n = 53) (preterm birth, preeclampsia, diabetes mellitus). Eighteen cytokines showed significant changes over time (p < .002). The majority of the cytokines were highest in the newborn. No differences in cytokine levels between complication groups were noted at any timepoint. CONCLUSIONS This is the first known study to report prospective, serial cytokine levels throughout the perinatal period for pregnancies with/without complications. No differences in maternal cytokine levels between those with/without complications were detected; studies with a larger sample size would be needed to validate our current findings. Results also suggest cytokine dysregulation may be more localized to the placenta making it difficult to measure and predict during pregnancy using maternal systemic blood specimens.
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Affiliation(s)
- Tiffany A. Moore
- College of Nursing, University of Nebraska Medical Center, Omaha, NE, USA
| | - Adam J. Case
- Department of Cellular and Integrative Physiology, College of Medicine, University of Nebraska Medical Center, Omaha, NE, USA
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25
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Bhat A, Irizar H, Couch ACM, Raval P, Duarte RRR, Dutan Polit L, Hanger B, Powell T, Deans PJM, Shum C, Nagy R, McAlonan G, Iyegbe CO, Price J, Bramon E, Bhattacharyya S, Vernon AC, Srivastava DP. Attenuated transcriptional response to pro-inflammatory cytokines in schizophrenia hiPSC-derived neural progenitor cells. Brain Behav Immun 2022; 105:82-97. [PMID: 35716830 PMCID: PMC9810540 DOI: 10.1016/j.bbi.2022.06.010] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/10/2022] [Revised: 05/29/2022] [Accepted: 06/13/2022] [Indexed: 01/07/2023] Open
Abstract
Maternal immune activation (MIA) during prenatal development is an environmental risk factor for psychiatric disorders including schizophrenia (SZ). Converging lines of evidence from human and animal model studies suggest that elevated cytokine levels in the maternal and fetal compartments are an important indication of the mechanisms driving this association. However, there is variability in susceptibility to the psychiatric risk conferred by MIA, likely influenced by genetic factors. How MIA interacts with a genetic profile susceptible to SZ is challenging to test in animal models. To address this gap, we examined whether differential gene expression responses occur in forebrain-lineage neural progenitor cells (NPCs) derived from human induced pluripotent stem cells (hiPSC) generated from three individuals with a diagnosis of schizophrenia and three healthy controls. Following acute (24 h) treatment with either interferon-gamma (IFNγ; 25 ng/μl) or interleukin (IL)-1β (10 ng/μl), we identified, by RNA sequencing, 3380 differentially expressed genes (DEGs) in the IFNγ-treated control lines (compared to untreated controls), and 1980 DEGs in IFNγ-treated SZ lines (compared to untreated SZ lines). Out of 4137 genes that responded significantly to IFNγ across all lines, 1223 were common to both SZ and control lines. The 2914 genes that appeared to respond differentially to IFNγ treatment in SZ lines were subjected to a further test of significance (multiple testing correction applied to the interaction effect between IFNγ treatment and SZ diagnosis), yielding 359 genes that passed the significance threshold. There were no differentially expressed genes in the IL-1β-treatment conditions after Benjamini-Hochberg correction. Gene set enrichment analysis however showed that IL-1β impacts immune function and neuronal differentiation. Overall, our data suggest that a) SZ NPCs show an attenuated transcriptional response to IFNγ treatment compared to controls; b) Due to low IL-1β receptor expression in NPCs, NPC cultures appear to be less responsive to IL-1β than IFNγ; and c) the genes differentially regulated in SZ lines - in the face of a cytokine challenge - are primarily associated with mitochondrial, "loss-of-function", pre- and post-synaptic gene sets. Our findings particularly highlight the role of early synaptic development in the association between maternal immune activation and schizophrenia risk.
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Affiliation(s)
- Anjali Bhat
- Department of Basic & Clinical Neuroscience, Institute of Psychiatry, Psychology & Neuroscience, King's College London, London, UK; MRC Centre for Neurodevelopmental Disorders, King's College London, UK; Division of Psychiatry, University College London, London, UK; Wellcome Centre for Human Neuroimaging, University College London, London, UK
| | - Haritz Irizar
- Division of Psychiatry, University College London, London, UK; Icahn School of Medicine, Mount Sinai Hospital, NY, USA
| | - Amalie C M Couch
- Department of Basic & Clinical Neuroscience, Institute of Psychiatry, Psychology & Neuroscience, King's College London, London, UK; MRC Centre for Neurodevelopmental Disorders, King's College London, UK
| | - Pooja Raval
- Department of Basic & Clinical Neuroscience, Institute of Psychiatry, Psychology & Neuroscience, King's College London, London, UK; MRC Centre for Neurodevelopmental Disorders, King's College London, UK
| | - Rodrigo R R Duarte
- Department of Social, Genetic & Developmental Psychiatry, Institute of Psychiatry, Psychology & Neuroscience, King's College London, London, UK; Department of Medicine, Weill Cornell Medical College, Cornell University, NY, USA
| | - Lucia Dutan Polit
- Department of Basic & Clinical Neuroscience, Institute of Psychiatry, Psychology & Neuroscience, King's College London, London, UK; MRC Centre for Neurodevelopmental Disorders, King's College London, UK
| | - Bjorn Hanger
- Department of Basic & Clinical Neuroscience, Institute of Psychiatry, Psychology & Neuroscience, King's College London, London, UK; MRC Centre for Neurodevelopmental Disorders, King's College London, UK
| | - Timothy Powell
- Department of Social, Genetic & Developmental Psychiatry, Institute of Psychiatry, Psychology & Neuroscience, King's College London, London, UK; Department of Medicine, Weill Cornell Medical College, Cornell University, NY, USA
| | - P J Michael Deans
- Department of Basic & Clinical Neuroscience, Institute of Psychiatry, Psychology & Neuroscience, King's College London, London, UK; MRC Centre for Neurodevelopmental Disorders, King's College London, UK
| | - Carole Shum
- Department of Basic & Clinical Neuroscience, Institute of Psychiatry, Psychology & Neuroscience, King's College London, London, UK; MRC Centre for Neurodevelopmental Disorders, King's College London, UK
| | - Roland Nagy
- Department of Basic & Clinical Neuroscience, Institute of Psychiatry, Psychology & Neuroscience, King's College London, London, UK; MRC Centre for Neurodevelopmental Disorders, King's College London, UK
| | - Grainne McAlonan
- MRC Centre for Neurodevelopmental Disorders, King's College London, UK; Department of Forensic and Neurodevelopmental Sciences, Institute of Psychiatry, Psychology & Neuroscience, King's College London, London, UK
| | - Conrad O Iyegbe
- Department of Psychosis Studies, Institute of Psychiatry, Psychology & Neuroscience, King's College London, London, United Kingdom
| | - Jack Price
- Department of Basic & Clinical Neuroscience, Institute of Psychiatry, Psychology & Neuroscience, King's College London, London, UK; MRC Centre for Neurodevelopmental Disorders, King's College London, UK
| | - Elvira Bramon
- Division of Psychiatry, University College London, London, UK; Department of Psychosis Studies, Institute of Psychiatry, Psychology & Neuroscience, King's College London, London, United Kingdom
| | | | - Anthony C Vernon
- Department of Basic & Clinical Neuroscience, Institute of Psychiatry, Psychology & Neuroscience, King's College London, London, UK; MRC Centre for Neurodevelopmental Disorders, King's College London, UK.
| | - Deepak P Srivastava
- Department of Basic & Clinical Neuroscience, Institute of Psychiatry, Psychology & Neuroscience, King's College London, London, UK; MRC Centre for Neurodevelopmental Disorders, King's College London, UK.
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26
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Pavlinek A, Matuleviciute R, Sichlinger L, Dutan Polit L, Armeniakos N, Vernon AC, Srivastava DP. Interferon-γ exposure of human iPSC-derived neurons alters major histocompatibility complex I and synapsin protein expression. Front Psychiatry 2022; 13:836217. [PMID: 36186864 PMCID: PMC9515429 DOI: 10.3389/fpsyt.2022.836217] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/15/2021] [Accepted: 08/18/2022] [Indexed: 11/22/2022] Open
Abstract
Human epidemiological data links maternal immune activation (MIA) during gestation with increased risk for psychiatric disorders with a putative neurodevelopmental origin, including schizophrenia and autism. Animal models of MIA provide evidence for this association and suggest that inflammatory cytokines represent one critical link between maternal infection and any potential impact on offspring brain and behavior development. However, to what extent specific cytokines are necessary and sufficient for these effects remains unclear. It is also unclear how specific cytokines may impact the development of specific cell types. Using a human cellular model, we recently demonstrated that acute exposure to interferon-γ (IFNγ) recapitulates molecular and cellular phenotypes associated with neurodevelopmental disorders. Here, we extend this work to test whether IFNγ can impact the development of immature glutamatergic neurons using an induced neuronal cellular system. We find that acute exposure to IFNγ activates a signal transducer and activator of transcription 1 (STAT1)-pathway in immature neurons, and results in significantly increased major histocompatibility complex I (MHCI) expression at the mRNA and protein level. Furthermore, acute IFNγ exposure decreased synapsin I/II protein in neurons but did not affect the expression of synaptic genes. Interestingly, complement component 4A (C4A) gene expression was significantly increased following acute IFNγ exposure. This study builds on our previous work by showing that IFNγ-mediated disruption of relevant synaptic proteins can occur at early stages of neuronal development, potentially contributing to neurodevelopmental disorder phenotypes.
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Affiliation(s)
- Adam Pavlinek
- Department of Basic and Clinical Neuroscience, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, United Kingdom
- MRC Centre for Neurodevelopmental Disorders, King's College London, London, United Kingdom
| | - Rugile Matuleviciute
- Department of Basic and Clinical Neuroscience, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, United Kingdom
- MRC Centre for Neurodevelopmental Disorders, King's College London, London, United Kingdom
| | - Laura Sichlinger
- Department of Basic and Clinical Neuroscience, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, United Kingdom
- MRC Centre for Neurodevelopmental Disorders, King's College London, London, United Kingdom
| | - Lucia Dutan Polit
- Department of Basic and Clinical Neuroscience, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, United Kingdom
- MRC Centre for Neurodevelopmental Disorders, King's College London, London, United Kingdom
| | - Nikolaos Armeniakos
- Department of Basic and Clinical Neuroscience, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, United Kingdom
- MRC Centre for Neurodevelopmental Disorders, King's College London, London, United Kingdom
| | - Anthony Christopher Vernon
- Department of Basic and Clinical Neuroscience, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, United Kingdom
- MRC Centre for Neurodevelopmental Disorders, King's College London, London, United Kingdom
| | - Deepak Prakash Srivastava
- Department of Basic and Clinical Neuroscience, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, United Kingdom
- MRC Centre for Neurodevelopmental Disorders, King's College London, London, United Kingdom
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27
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Ramirez-Celis A, Croen LA, Yoshida CK, Alexeeff SE, Schauer J, Yolken RH, Ashwood P, Van de Water J. Maternal autoantibody profiles as biomarkers for ASD and ASD with co-occurring intellectual disability. Mol Psychiatry 2022; 27:3760-3767. [PMID: 35618885 PMCID: PMC9708563 DOI: 10.1038/s41380-022-01633-4] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/25/2022] [Revised: 05/05/2022] [Accepted: 05/12/2022] [Indexed: 02/08/2023]
Abstract
Maternal autoantibody-related ASD (MAR ASD) is a subtype of autism in which pathogenic maternal autoantibodies (IgG) cross the placenta, access the developing brain, and cause neurodevelopmental alterations and behaviors associated with autism in the exposed offspring. We previously reported maternal IgG response to eight proteins (CRMP1, CRMP2, GDA LDHA, LDHB, NSE, STIP1, and YBOX) and that reactivity to nine specific combinations of these proteins (MAR ASD patterns) was predictive of ASD risk. The aim of the current study was to validate the previously identified MAR ASD patterns (CRMP1 + GDA, CRMP1 + CRMP2, NSE + STIP1, CRMP2 + STIP1, LDHA + YBOX, LDHB + YBOX, GDA + YBOX, STIP1 + YBOX, and CRMP1 + STIP1) and their accuracy in predicting ASD risk in a prospective cohort employing maternal samples collected prior to parturition. We used prenatal plasma from mothers of autistic children with or without co-occurring intellectual disability (ASD = 540), intellectual disability without autism (ID = 184) and general population controls (GP = 420) collected by the Early Markers for Autism (EMA) study. We found reactivity to one or more of the nine previously identified MAR ASD patterns in 10% of the ASD group compared with 4% of the ID group and 1% of the GP controls (ASD vs GP: Odds Ratio (OR) = 7.81, 95% Confidence Interval (CI) 3.32 to 22.43; ASD vs ID: OR = 2.77, 95% CI (1.19-7.47)) demonstrating that the MAR ASD patterns are strongly associated with the ASD group and could be used to assess ASD risk prior to symptom onset. The pattern most strongly associated with ASD was CRMP1 + CRMP2 and increased the odds for an ASD diagnosis 16-fold (3.32 to >999.99). In addition, we found that several of these specific MAR ASD patterns were strongly associated with ASD with intellectual disability (ASD + ID) and others associated with ASD without ID (ASD-no ID). Prenatal screening for these MAR patterns may lead to earlier identification of ASD and facilitate access to the appropriate early intervention services based on each child's needs.
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Affiliation(s)
- Alexandra Ramirez-Celis
- Department of Internal Medicine, Division of Rheumatology, Allergy, and Clinical Immunology, One Shields Avenue, University of California, Davis, CA, 95616, USA
| | - Lisa A Croen
- Kaiser Permanente Division of Research, 2000 Broadway, Oakland, CA, 94612, USA
| | - Cathleen K Yoshida
- Kaiser Permanente Division of Research, 2000 Broadway, Oakland, CA, 94612, USA
| | - Stacey E Alexeeff
- Kaiser Permanente Division of Research, 2000 Broadway, Oakland, CA, 94612, USA
| | - Joseph Schauer
- Department of Internal Medicine, Division of Rheumatology, Allergy, and Clinical Immunology, One Shields Avenue, University of California, Davis, CA, 95616, USA
| | - Robert H Yolken
- Department of Psychiatry and Behavioral Science, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Paul Ashwood
- UC Davis MIND Institute, 2825 50th St, Sacramento, CA, 95817, USA
- Department of Medical Microbiology and Immunology, One Shields Avenue, University of California, Davis, CA, 95616, USA
| | - Judy Van de Water
- Department of Internal Medicine, Division of Rheumatology, Allergy, and Clinical Immunology, One Shields Avenue, University of California, Davis, CA, 95616, USA.
- UC Davis MIND Institute, 2825 50th St, Sacramento, CA, 95817, USA.
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28
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Zhou J, Teng Y, Zhang F, Ru X, Li P, Wang J, Yan S, Zhu P, Tao F, Huang K. Sex-specific association between placental inflammatory cytokine mRNA expression and preschoolers' behavioral development: The Ma'anshan birth cohort study. Brain Behav Immun 2022; 104:110-121. [PMID: 35661681 DOI: 10.1016/j.bbi.2022.05.017] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/24/2022] [Revised: 04/25/2022] [Accepted: 05/29/2022] [Indexed: 11/30/2022] Open
Abstract
BACKGROUND Placental inflammation may contribute to brain abnormalities and childhood neuropsychiatric disorders, but limited knowledge is available on the association of placental inflammatory cytokine levels and offspring's behavioral development. This study aimed to examine the sex-specific association between placental inflammatory cytokine mRNA expression and preschoolers' behavioral development. METHODS 3474 pregnant women were recruited as the initial study population in the Ma'anshan birth cohort (MABC) study. Placentas (n = 2519) were collected during childbirth, and the mRNA expression of IL-8, IL-1β, CRP, TNF-α, IL-6, IL-10, and IL-4 was assessed. The Child Behavior Checklist 1.5-5 (CBCL 1.5-5) was used to assess children's behavioral development at 4 years old. A T-score ≥ 60 on summary scales or a score ≥ 65 on syndrome scales was regarded as the borderline clinical range. Multiple linear regression models and binary logistic regression models were applied to explore the sex-specific associations between placental inflammatory cytokines mRNA transcript levels and preschoolers' behavioral development. RESULTS Sex-specific associations between placental inflammatory cytokines mRNA expression and preschoolers' behavioral development were observed. There was a positive association between IL-8 and CBCL scores for boys on anxious/depressed problems, aggressive behaviors, externalizing problems and total problems. Logistic regression models showed that high levels of IL-8 were associated with a higher risk of girls' emotionally reactive problems and sleep problems compared to low/medium levels. High TNF-α was correlated with increased sleep problem scores in boys, and medium TNF-α (vs. low levels) was associated with an increased risk of girls' externalizing problems. Medium levels of CRP, IL-1β, and IL-6 were found to be associated with a decreased risk of girls' behavioral problems compared to low/high levels. For anti-inflammatory cytokines, medium IL-10 and IL-4 (vs. low levels) were observed to be associated with a lower risk of internalizing problems in boys and externalizing problems in girls, respectively. High IL-10 was correlated with decreased attention problem scores in boys. CONCLUSION This study indicates that placental inflammatory cytokine mRNA expression of IL-8, CRP, TNF-α, IL-1β, IL-4 and IL-10 may be associated with preschoolers' behavioral development in a sex-specific manner.
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Affiliation(s)
- Jixing Zhou
- Department of Maternal, Child and Adolescent Health, School of Public Health, Anhui Medical University; Key Laboratory of Population Health Across Life Cycle (AHMU), MOE, Hefei 230032, China; NHC Key Laboratory of Study on Abnormal Gametes and Reproductive Tract, Hefei 230032, China; Anhui Provincial Key Laboratory of Population Health and Aristogenics, Hefei 230032, China
| | - Yuzhu Teng
- Department of Maternal, Child and Adolescent Health, School of Public Health, Anhui Medical University; Key Laboratory of Population Health Across Life Cycle (AHMU), MOE, Hefei 230032, China; NHC Key Laboratory of Study on Abnormal Gametes and Reproductive Tract, Hefei 230032, China; Anhui Provincial Key Laboratory of Population Health and Aristogenics, Hefei 230032, China
| | - Fu Zhang
- Department of Maternal, Child and Adolescent Health, School of Public Health, Anhui Medical University; Key Laboratory of Population Health Across Life Cycle (AHMU), MOE, Hefei 230032, China; NHC Key Laboratory of Study on Abnormal Gametes and Reproductive Tract, Hefei 230032, China; Anhui Provincial Key Laboratory of Population Health and Aristogenics, Hefei 230032, China
| | - Xue Ru
- Department of Maternal, Child and Adolescent Health, School of Public Health, Anhui Medical University; Key Laboratory of Population Health Across Life Cycle (AHMU), MOE, Hefei 230032, China; NHC Key Laboratory of Study on Abnormal Gametes and Reproductive Tract, Hefei 230032, China; Anhui Provincial Key Laboratory of Population Health and Aristogenics, Hefei 230032, China
| | - Peixuan Li
- Department of Maternal, Child and Adolescent Health, School of Public Health, Anhui Medical University; Key Laboratory of Population Health Across Life Cycle (AHMU), MOE, Hefei 230032, China; NHC Key Laboratory of Study on Abnormal Gametes and Reproductive Tract, Hefei 230032, China; Anhui Provincial Key Laboratory of Population Health and Aristogenics, Hefei 230032, China
| | - Jianqing Wang
- Department of Maternal, Child and Adolescent Health, School of Public Health, Anhui Medical University
| | - Shuangqin Yan
- Department of Maternal, Child and Adolescent Health, School of Public Health, Anhui Medical University; Maternal and Child Health Care Center of Ma'anshan, No 24 Jiashan Road, Ma'anshan 243011, Anhui, China
| | - Peng Zhu
- Department of Maternal, Child and Adolescent Health, School of Public Health, Anhui Medical University; Key Laboratory of Population Health Across Life Cycle (AHMU), MOE, Hefei 230032, China; NHC Key Laboratory of Study on Abnormal Gametes and Reproductive Tract, Hefei 230032, China; Anhui Provincial Key Laboratory of Population Health and Aristogenics, Hefei 230032, China
| | - Fangbiao Tao
- Department of Maternal, Child and Adolescent Health, School of Public Health, Anhui Medical University; Key Laboratory of Population Health Across Life Cycle (AHMU), MOE, Hefei 230032, China; NHC Key Laboratory of Study on Abnormal Gametes and Reproductive Tract, Hefei 230032, China; Anhui Provincial Key Laboratory of Population Health and Aristogenics, Hefei 230032, China
| | - Kun Huang
- Department of Maternal, Child and Adolescent Health, School of Public Health, Anhui Medical University; Key Laboratory of Population Health Across Life Cycle (AHMU), MOE, Hefei 230032, China; NHC Key Laboratory of Study on Abnormal Gametes and Reproductive Tract, Hefei 230032, China; Anhui Provincial Key Laboratory of Population Health and Aristogenics, Hefei 230032, China; Scientific Research Center in Preventive Medicine, School of Public Health, Anhui Medical University, Anhui Province, China.
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Distinct effects of interleukin-6 and interferon-γ on differentiating human cortical neurons. Brain Behav Immun 2022; 103:97-108. [PMID: 35429607 PMCID: PMC9278892 DOI: 10.1016/j.bbi.2022.04.007] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/04/2022] [Revised: 03/29/2022] [Accepted: 04/10/2022] [Indexed: 01/17/2023] Open
Abstract
Translational evidence suggests that cytokines involved in maternal immune activation (MIA), such as interleukin-6 (IL-6) and interferon-γ (IFN-γ), can cross the placenta, injure fetal brain, and predispose to neuropsychiatric disorders. To elaborate developmental neuronal sequelae of MIA, we differentiated human pluripotent stem cells to cortical neurons over a two-month period, exposing them to IL-6 or IFN-γ. IL-6 impacted expression of genes regulating extracellular matrix, actin cytoskeleton and TGF-β signaling while IFN-γ impacted genes regulating antigen processing, major histocompatibility complex and endoplasmic reticulum biology. IL-6, but not IFN-γ, altered mitochondrial respiration while IFN-γ, but not IL-6, induced reduction in dendritic spine density. Pre-treatment with folic acid, which has known neuroprotective and anti-inflammatory properties, ameliorated IL-6 effects on mitochondrial respiration and IFN-γ effects on dendritic spine density. These findings suggest distinct mechanisms for how fetal IL-6 and IFN-γ exposure influence risk for neuropsychiatric disorders, and how folic acid can mitigate such risk.
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Li Y, Jinxiang T, Shu Y, Yadong P, Ying L, Meng Y, Ping Z, Xiao H, Yixiao F. Childhood trauma and the plasma levels of IL-6, TNF-α are risk factors for major depressive disorder and schizophrenia in adolescents: A cross-sectional and case-control study. J Affect Disord 2022; 305:227-232. [PMID: 35151670 DOI: 10.1016/j.jad.2022.02.020] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/22/2021] [Revised: 01/07/2022] [Accepted: 02/09/2022] [Indexed: 12/16/2022]
Abstract
BACKGROUND It has been reported that childhood trauma and inflammation are associated with major depressive disorder (MDD) and schizophrenia (SZ), but previous researches were almost aimed at adults. The aim of the present research is to observe the alteration of peripheral interleukin-6 (IL-6) and tumor necrosis factor-α (TNF-α) in adolescents (12-20 years) with MDD and SZ, to investigate the impact of childhood abuse in early-onset MDD and SZ, and to furtherly explore the correlation between childhood maltreatment and plasma IL-6, TNF-α levels. SUBJECTS AND METHODS Enzyme-linked immunosorbent assay (ELISA) is applied to obtain the plasma concentrations of IL-6 and TNF-α in 55 patients with MDD, 51 patients with SZ and 47 healthy minors. The short form of the Childhood Trauma Questionnaire (CTQ-SF) is used to assess the severity of early trauma. RESULTS Plasma IL-6 and TNF-α levels are significantly elevated in patients with early-onset MDD and SZ compared with healthy subjects (p <0.01), whose results display that the correlation between IL-6 and TNF-α is significantly positive (γ=0.787, p <0.01) in all participants. Compared with the healthy adolescents, patients with MDD and SZ show more serious childhood trauma, and the plasma IL-6, TNF-α concentrations are closely related to childhood maltreatment. CONCLUSIONS Early trauma and peripheral inflammatory response play an important role in the pathophysiology of early-onset MDD or SZ. The current findings provide effective targets for the prevention, diagnosis, and treatment of major depressive disorder and schizophrenia in adolescents.
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Affiliation(s)
- Yi Li
- Department of Psychiatry, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China
| | - Tang Jinxiang
- Department of Psychiatry, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China; Sleep and Psychology Center, Bishan Hospital of Chongqing, Chongqing 402760, China
| | - Yang Shu
- Department of Psychiatry, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China
| | - Peng Yadong
- Department of Psychiatry, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China; Department of Psychology, Chongqing Health Center for Women and Children, Chongqing 401147, China
| | - Liu Ying
- Department of Psychiatry, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China; Department of Psychology, Chongqing Health Center for Women and Children, Chongqing 401147, China
| | - Yuan Meng
- Department of Psychiatry, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China
| | - Zhang Ping
- Department of English, Sichuan International Study University, Chongqing 400000, China
| | - Hou Xiao
- Department of Clinical Medicine, Chongqing Medical and Pharmaceutical College, Chongqing 401331, China.
| | - Fu Yixiao
- Department of Psychiatry, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China.
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Ryan AM, Bauman MD. Primate Models as a Translational Tool for Understanding Prenatal Origins of Neurodevelopmental Disorders Associated With Maternal Infection. BIOLOGICAL PSYCHIATRY. COGNITIVE NEUROSCIENCE AND NEUROIMAGING 2022; 7:510-523. [PMID: 35276404 PMCID: PMC8902899 DOI: 10.1016/j.bpsc.2022.02.012] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/27/2021] [Revised: 01/13/2022] [Accepted: 02/24/2022] [Indexed: 02/06/2023]
Abstract
Pregnant women represent a uniquely vulnerable population during an infectious disease outbreak, such as the COVID-19 pandemic. Although we are at the early stages of understanding the specific impact of SARS-CoV-2 exposure during pregnancy, mounting epidemiological evidence strongly supports a link between exposure to a variety of maternal infections and an increased risk for offspring neurodevelopmental disorders. Inflammatory biomarkers identified from archived or prospectively collected maternal biospecimens suggest that the maternal immune response is the critical link between infection during pregnancy and altered offspring neurodevelopment. This maternal immune activation (MIA) hypothesis has been tested in animal models by artificially activating the immune system during pregnancy and evaluating the neurodevelopmental consequences in MIA-exposed offspring. Although the vast majority of MIA model research is carried out in rodents, the nonhuman primate model has emerged in recent years as an important translational tool. In this review, we briefly summarize human epidemiological studies that have prompted the development of translationally relevant MIA models. We then highlight notable similarities between humans and nonhuman primates, including placental structure, pregnancy physiology, gestational timelines, and offspring neurodevelopmental stages, that provide an opportunity to explore the MIA hypothesis in species more closely related to humans. Finally, we provide a comprehensive review of neurodevelopmental alterations reported in current nonhuman primate models of maternal infection and discuss future directions for this promising area of research.
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Affiliation(s)
- Amy M Ryan
- Department of Psychiatry and Behavioral Sciences, MIND Institute, University of California Davis, Davis, California; California National Primate Research Center, University of California Davis, Davis, California
| | - Melissa D Bauman
- Department of Psychiatry and Behavioral Sciences, MIND Institute, University of California Davis, Davis, California; California National Primate Research Center, University of California Davis, Davis, California.
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32
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O'Connor TG, Ciesla AA, Sefair AV, Thornburg LL, Brown AS, Glover V, O'Donnell KJ. Maternal prenatal infection and anxiety predict neurodevelopmental outcomes in middle childhood. JOURNAL OF PSYCHOPATHOLOGY AND CLINICAL SCIENCE 2022; 131:422-434. [PMID: 35238594 PMCID: PMC9069845 DOI: 10.1037/abn0000746] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/07/2020] [Revised: 11/30/2021] [Accepted: 12/16/2021] [Indexed: 12/17/2022]
Abstract
Prenatal maternal infection and anxiety have been linked, in separate lines of study, with child neurodevelopment. We extend and integrate these lines of study in a large prospective longitudinal cohort study of child neurodevelopment. Data are based on the Avon Longitudinal Study of Parents and Children (ALSPAC) cohort; prenatal maternal anxiety was assessed from self-report questionnaire; prenatal infection was derived from reports of several conditions in pregnancy (n = 7,042). Child neurodevelopment at approximately 8 years of age was assessed by in-person testing, reports of social and communication problems associated with autism, and psychiatric evaluation. Covariates included psychosocial, demographic, and perinatal/obstetric risks. Prenatal infection was associated with increased likelihood of co-occurring prenatal risk, including anxiety. Regression analyses indicated that both prenatal infection and prenatal anxiety predicted child social and communication problems; the predictions were largely independent of each other. Comparable effects were also found for the prediction of symptoms of attention problems and anxiety symptoms. These results provide the first evidence for the independent effects of prenatal infection and anxiety on a broad set of neurodevelopmental and behavioral and emotional symptoms in children, suggesting the involvement of multiple mechanisms in the prenatal programming of child neurodevelopment. The results further underscore the importance of promoting prenatal physical and mental health for child health outcomes. (PsycInfo Database Record (c) 2022 APA, all rights reserved).
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33
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Chu Q, Mao M, Bai Y, Sun L, Zhang D, Zheng P, Jin X. Midazolam Attenuates Esketamine-Induced Overactive Behaviors in Mice Before the Sedation, but Not During the Recovery. Front Vet Sci 2022; 9:829747. [PMID: 35478599 PMCID: PMC9036091 DOI: 10.3389/fvets.2022.829747] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2021] [Accepted: 03/01/2022] [Indexed: 12/02/2022] Open
Abstract
Esketamine showed more potency, more rapid recovery from anesthesia, and less psychotomimetic side effects when compared with ketamine. However, the patients still experience psychotomimetic side effects of esketamine. In order to investigate whether midazolam can attenuate the esketamine-induced overactive behaviors and neuronal hyperactivities, midazolam 0, 40, 80, and 120 mg/kg combined with esketamine 50 mg/kg were administrated on Kunming mice to assess the behaviors changes during anesthesia. The indicators, including action time, duration of agitation before the sedation, duration of sedation, duration of loss of pedal withdrawal reaction (PWR), duration of loss of righting reaction (RR), duration of agitation during the recovery, and recovery time, were monitored for up to 3–4 h after intraperitoneal administration. The results demonstrated that midazolam 40, 80, and 120 mg/kg efficiently decreased the esketamine-induced overactive behaviors including ataxia, excitation, and catalepsy before sedation. Midazolam and esketamine synergically improved the anesthesia quality assessed by PWR and RR. However, even high doses of midazolam were not able to suppress the esketamine-induced psychotomimetic effects during the recovery.
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Affiliation(s)
- Qinjun Chu
- Department of Anesthesiology and Perioperative Medicine, Zhengzhou Central Hospital Affiliated to Zhengzhou University, Zhengzhou, China
- *Correspondence: Qinjun Chu
| | - Meng Mao
- Department of Anesthesiology and Perioperative Medicine, Zhengzhou Central Hospital Affiliated to Zhengzhou University, Zhengzhou, China
| | - Yafan Bai
- Department of Anesthesiology and Perioperative Medicine, Zhengzhou Central Hospital Affiliated to Zhengzhou University, Zhengzhou, China
| | - Liwei Sun
- Department of Anesthesiology and Perioperative Medicine, Zhengzhou Central Hospital Affiliated to Zhengzhou University, Zhengzhou, China
| | - Dongqing Zhang
- Department of Anesthesiology and Perioperative Medicine, Zhengzhou Central Hospital Affiliated to Zhengzhou University, Zhengzhou, China
| | - Ping Zheng
- West Houston Family Practice, Houston, TX, United States
| | - Xiaogao Jin
- Department of Anesthesiology and Perioperative Medicine, Zhengzhou Central Hospital Affiliated to Zhengzhou University, Zhengzhou, China
- Metabolic Disease Research Center, Zhengzhou Central Hospital Affiliated to Zhengzhou University, Zhengzhou, China
- Center for Advanced Medicine, College of Medicine, Zhengzhou University, Zhengzhou, China
- Trauma Center of Henan Province, Zhengzhou Central Hospital, Zhengzhou, China
- Xiaogao Jin
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34
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Santoni M, Frau R, Pistis M. Transgenerational Sex-dependent Disruption of Dopamine Function Induced by Maternal Immune Activation. Front Pharmacol 2022; 13:821498. [PMID: 35211019 PMCID: PMC8861303 DOI: 10.3389/fphar.2022.821498] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2021] [Accepted: 01/17/2022] [Indexed: 11/28/2022] Open
Abstract
Several epidemiological studies suggest an association between maternal infections during pregnancy and the emergence of neurodevelopmental disorders in the offspring, such as autism and schizophrenia. Animal models broadened the knowledge about the pathophysiological mechanisms that develop from prenatal infection to the onset of psychopathological phenotype. Mounting evidence supports the hypothesis that detrimental effects of maternal immune activation might be transmitted across generations. Here, we explored the transgenerational effects on the dopamine system of a maternal immune activation model based on the viral mimetic polyriboinosinic-polyribocytidilic acid. We assessed dopamine neurons activity in the ventral tegmental area by in vivo electrophysiology. Furthermore, we studied two behavioral tests strictly modulated by the mesolimbic dopamine system, i.e., the open field in response to amphetamine and the prepulse inhibition of the startle reflex in response to the D2 agonist apomorphine. Second-generation adult male rats did not display any deficit in sensorimotor gating; however, they displayed an altered activity of ventral tegmental area dopamine neurons, indexed by a reduced spontaneous firing rate and a heightened motor activation in response to amphetamine administration in the open field. On the other hand, second-generation female rats were protected from ancestors' polyriboinosinic-polyribocytidilic acid treatment, as they did not show any alteration in dopamine cell activity or in behavioral tests. These results confirm that maternal immune activation negatively influences, in a sex-dependent manner, neurodevelopmental trajectories of the dopamine system across generations.
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Affiliation(s)
- Michele Santoni
- Department of Biomedical Sciences, Section of Neuroscience and Clinical Pharmacology, University of Cagliari, Cagliari, Italy
| | - Roberto Frau
- Department of Biomedical Sciences, Section of Neuroscience and Clinical Pharmacology, University of Cagliari, Cagliari, Italy
- “Guy Everett” Laboratory, University of Cagliari, Cagliari, Italy
| | - Marco Pistis
- Department of Biomedical Sciences, Section of Neuroscience and Clinical Pharmacology, University of Cagliari, Cagliari, Italy
- Neuroscience Institute, Section of Cagliari, National Research Council of Italy (CNR), Cagliari, Italy
- Unit of Clinical Pharmacology, University Hospital, Cagliari, Italy
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35
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Vanderplow AM, Kermath BA, Bernhardt CR, Gums KT, Seablom EN, Radcliff AB, Ewald AC, Jones MV, Baker TL, Watters JJ, Cahill ME. A feature of maternal sleep apnea during gestation causes autism-relevant neuronal and behavioral phenotypes in offspring. PLoS Biol 2022; 20:e3001502. [PMID: 35113852 PMCID: PMC8812875 DOI: 10.1371/journal.pbio.3001502] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2021] [Accepted: 11/29/2021] [Indexed: 12/26/2022] Open
Abstract
Mounting epidemiologic and scientific evidence indicates that many psychiatric disorders originate from a complex interplay between genetics and early life experiences, particularly in the womb. Despite decades of research, our understanding of the precise prenatal and perinatal experiences that increase susceptibility to neurodevelopmental disorders remains incomplete. Sleep apnea (SA) is increasingly common during pregnancy and is characterized by recurrent partial or complete cessations in breathing during sleep. SA causes pathological drops in blood oxygen levels (intermittent hypoxia, IH), often hundreds of times each night. Although SA is known to cause adverse pregnancy and neonatal outcomes, the long-term consequences of maternal SA during pregnancy on brain-based behavioral outcomes and associated neuronal functioning in the offspring remain unknown. We developed a rat model of maternal SA during pregnancy by exposing dams to IH, a hallmark feature of SA, during gestational days 10 to 21 and investigated the consequences on the offspring's forebrain synaptic structure, synaptic function, and behavioral phenotypes across multiples stages of development. Our findings represent a rare example of prenatal factors causing sexually dimorphic behavioral phenotypes associated with excessive (rather than reduced) synapse numbers and implicate hyperactivity of the mammalian target of rapamycin (mTOR) pathway in contributing to the behavioral aberrations. These findings have implications for neuropsychiatric disorders typified by superfluous synapse maintenance that are believed to result, at least in part, from largely unknown insults to the maternal environment.
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Affiliation(s)
- Amanda M. Vanderplow
- Department of Comparative Biosciences, University of Wisconsin-Madison, Madison, Wisconsin, United States of America
| | - Bailey A. Kermath
- Department of Comparative Biosciences, University of Wisconsin-Madison, Madison, Wisconsin, United States of America
| | - Cassandra R. Bernhardt
- Department of Comparative Biosciences, University of Wisconsin-Madison, Madison, Wisconsin, United States of America
| | - Kimberly T. Gums
- Department of Comparative Biosciences, University of Wisconsin-Madison, Madison, Wisconsin, United States of America
| | - Erin N. Seablom
- Department of Comparative Biosciences, University of Wisconsin-Madison, Madison, Wisconsin, United States of America
| | - Abigail B. Radcliff
- Department of Comparative Biosciences, University of Wisconsin-Madison, Madison, Wisconsin, United States of America
| | - Andrea C. Ewald
- Department of Comparative Biosciences, University of Wisconsin-Madison, Madison, Wisconsin, United States of America
| | - Mathew V. Jones
- Department of Neuroscience, University of Wisconsin-Madison, Madison, Wisconsin, United States of America
| | - Tracy L. Baker
- Department of Comparative Biosciences, University of Wisconsin-Madison, Madison, Wisconsin, United States of America
| | - Jyoti J. Watters
- Department of Comparative Biosciences, University of Wisconsin-Madison, Madison, Wisconsin, United States of America
| | - Michael E. Cahill
- Department of Comparative Biosciences, University of Wisconsin-Madison, Madison, Wisconsin, United States of America
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36
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Anisman H, Kusnecov AW. Stressors: Psychological and neurobiological processes. Cancer 2022. [DOI: 10.1016/b978-0-323-91904-3.00005-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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37
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Khalfallah O, Barbosa S, Martinuzzi E, Davidovic L, Yolken R, Glaichenhaus N. Monitoring inflammation in psychiatry: Caveats and advice. Eur Neuropsychopharmacol 2022; 54:126-135. [PMID: 34607723 DOI: 10.1016/j.euroneuro.2021.09.003] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/02/2020] [Revised: 09/01/2021] [Accepted: 09/07/2021] [Indexed: 12/20/2022]
Abstract
Most researchers working in the field of immunopsychiatry would agree with the statement that "severe psychiatric disorders are associated with inflammation and more broadly with changes in immune variables". However, as many other fields in biology and medicine, immunopsychiatry suffers from a replication crisis characterized by lack of reproducibility. In this paper, we will comment on four types of immune variables which have been studied in psychiatric disorders: Acute Phase Proteins (AAPs), cytokines, lipid mediators of inflammation and immune cell parameters, and discuss the rationale for looking at them in blood. We will briefly describe the analytical methods that are currently used to measure the levels of these biomarkers and comment on overlooked analytical and statistical methodological issues that may explain some of the conflicting data reported in the literature. Lastly, we will briefly summarize what cross-sectional, longitudinal and mendelian randomization studies have brought to our understanding of schizophrenia (SZ).
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Affiliation(s)
- Olfa Khalfallah
- Université Côte d'Azur, Centre National de la Recherche Scientifique, Institut de Pharmacologie Moléculaire et Cellulaire, Valbonne, France
| | - Susana Barbosa
- Université Côte d'Azur, Centre National de la Recherche Scientifique, Institut de Pharmacologie Moléculaire et Cellulaire, Valbonne, France
| | - Emanuela Martinuzzi
- Université Côte d'Azur, Centre National de la Recherche Scientifique, Institut de Pharmacologie Moléculaire et Cellulaire, Valbonne, France
| | - Laetitia Davidovic
- Université Côte d'Azur, Centre National de la Recherche Scientifique, Institut de Pharmacologie Moléculaire et Cellulaire, Valbonne, France
| | - Robert Yolken
- John Hopkins School of Medicine, The John Hopkins Hospital, Baltimore, United States
| | - Nicolas Glaichenhaus
- Université Côte d'Azur, Centre National de la Recherche Scientifique, Institut de Pharmacologie Moléculaire et Cellulaire, Valbonne, France.
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Yolken RH. Maternal Inflammation in Pregnancy: Setting the Pattern for Brain Development during Infancy and Beyond. J Pediatr 2021; 238:13-15. [PMID: 34126122 DOI: 10.1016/j.jpeds.2021.06.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/02/2021] [Accepted: 06/06/2021] [Indexed: 11/30/2022]
Affiliation(s)
- Robert H Yolken
- Stanley Division of Neurovirology, Johns Hopkins School of Medicine, Baltimore, Maryland.
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Early life Adversity, functional connectivity and cognitive performance in Schizophrenia: The mediating role of IL-6. Brain Behav Immun 2021; 98:388-396. [PMID: 34242739 DOI: 10.1016/j.bbi.2021.06.016] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/19/2021] [Revised: 06/21/2021] [Accepted: 06/26/2021] [Indexed: 12/19/2022] Open
Abstract
OBJECTIVE Exposure to childhood trauma (CT) is associated with cognitive impairment in schizophrenia, and deficits in social cognition in particular. Here, we sought to test whether IL-6 mediated the association between CT and social cognition both directly, and sequentially via altered default mode network (DMN) connectivity. METHODS Three-hundred-and-eleven participants (104 patients and 207 healthy participants) were included, with MRI data acquired in a subset of n = 147. CT was measured using the childhood trauma questionnaire (CTQ). IL-6 was measured in both plasma and in toll like receptor (TLR) stimulated whole blood. The CANTAB emotion recognition task (ERT) was administered to assess social cognition, and cortical connectivity was assessed based on resting DMN connectivity. RESULTS Higher IL-6 levels, measured both in plasma and in toll-like receptor (TLR-2) stimulated blood, were significantly correlated with higher CTQ scores and lower cognitive and social cognitive function. Plasma IL-6 was further observed to partly mediate the association between higher CT scores and lower emotion recognition performance (CTQ total: βindirect -0.0234, 95% CI: -0.0573 to -0.0074; CTQ physical neglect: βindirect = -0.0316, 95% CI: -0.0741 to -0.0049). Finally, sequential mediation was observed between plasma IL-6 levels and DMN connectivity in mediating the effects of higher CTQ on lower social cognitive function (βindirect = -0.0618, 95% CI: -0.1523 to -0.285). CONCLUSION This work suggests that previous associations between CT and social cognition may be partly mediated via an increased inflammatory response. IL-6's association with changes in DMN activity further suggest at least one cortical network via which CT related effects on cognition may be transmitted.
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Couch ACM, Berger T, Hanger B, Matuleviciute R, Srivastava DP, Thuret S, Vernon AC. Maternal immune activation primes deficiencies in adult hippocampal neurogenesis. Brain Behav Immun 2021; 97:410-422. [PMID: 34352366 PMCID: PMC8478664 DOI: 10.1016/j.bbi.2021.07.021] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/03/2021] [Revised: 06/25/2021] [Accepted: 07/28/2021] [Indexed: 12/19/2022] Open
Abstract
Neurogenesis, the process in which new neurons are generated, occurs throughout life in the mammalian hippocampus. Decreased adult hippocampal neurogenesis (AHN) is a common feature across psychiatric disorders, including schizophrenia, depression- and anxiety-related behaviours, and is highly regulated by environmental influences. Epidemiological studies have consistently implicated maternal immune activation (MIA) during neurodevelopment as a risk factor for psychiatric disorders in adulthood. The extent to which the reduction of hippocampal neurogenesis in adulthood may be driven by early life exposures, such as MIA, is however unclear. We therefore reviewed the literature for evidence of the involvement of MIA in disrupting AHN. Consistent with our hypothesis, data from both in vivo murine and in vitro human models of AHN provide evidence for key roles of specific cytokines induced by MIA in the foetal brain in disrupting hippocampal neural progenitor cell proliferation and differentiation early in development. The precise molecular mechanisms however remain unclear. Nonetheless, these data suggest a potential latent vulnerability mechanism, whereby MIA primes dysfunction in the unique hippocampal pool of neural stem/progenitor cells. This renders offspring potentially more susceptible to additional environmental exposures later in life, such as chronic stress, resulting in the unmasking of psychopathology. We highlight the need for studies to test this hypothesis using validated animal models of MIA, but also to test the relevance of such data for human pathology at a molecular basis through the use of patient-derived induced pluripotent stem cells (hiPSC) differentiated into hippocampal progenitor cells.
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Affiliation(s)
- Amalie C M Couch
- Department of Basic and Clinical Neuroscience, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, UK; MRC Centre for Neurodevelopmental Disorders, King's College London, London, UK
| | - Thomas Berger
- Department of Basic and Clinical Neuroscience, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, UK
| | - Bjørn Hanger
- Department of Basic and Clinical Neuroscience, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, UK; MRC Centre for Neurodevelopmental Disorders, King's College London, London, UK
| | | | - Deepak P Srivastava
- Department of Basic and Clinical Neuroscience, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, UK; MRC Centre for Neurodevelopmental Disorders, King's College London, London, UK
| | - Sandrine Thuret
- Department of Basic and Clinical Neuroscience, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, UK
| | - Anthony C Vernon
- Department of Basic and Clinical Neuroscience, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, UK; MRC Centre for Neurodevelopmental Disorders, King's College London, London, UK.
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Smith BL. Improving translational relevance: The need for combined exposure models for studying prenatal adversity. Brain Behav Immun Health 2021; 16:100294. [PMID: 34589787 PMCID: PMC8474200 DOI: 10.1016/j.bbih.2021.100294] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2021] [Revised: 06/28/2021] [Accepted: 06/29/2021] [Indexed: 12/18/2022] Open
Abstract
Prenatal environmental adversity is a risk factor for neurodevelopmental disorders (NDDs), with the neuroimmune environment proposed to play a role in this risk. Adverse maternal exposures are associated with cognitive consequences in the offspring that are characteristics of NDDs and simultaneous neuroimmune changes that may underlie NDD risk. In both animal models and human studies the association between prenatal environmental exposure and NDD risk has been shown to be complex. Maternal overnutrition/obesity and opioid use are two different examples of complex exposure epidemics, each with their own unique comorbidities. This review will examine maternal obesity and maternal opioid use separately, illustrating the pervasive comorbidities with each exposure to argue a need for animal models of compound prenatal exposures. Many of these comorbidities can impact neuroimmune function, warranting systematic investigation of combined exposures to begin to understand this complexity. While traditional approaches in animal models have focused on modeling a single prenatal exposure or second exposure later in life, a translational approach would begin to incorporate the most prevalent co-occurring prenatal exposures. Long term follow-up in humans is extremely challenging, so animal models can provide timely insight into neurodevelopmental consequences of complex prenatal exposures. Animal models that represent this translational context of comorbid exposures behind maternal obesity or comorbid exposures behind maternal opioid use may reveal potential synergistic neuroimmune interactions that contribute to cognitive consequences and NDD risk. Finally, translational co-exposure models can identify concerning exposure combinations to guide treatment in complex cases, and identify high risk children starting in the prenatal period where early interventions improve prognosis.
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Affiliation(s)
- Brittany L. Smith
- Department of Pharmacology & Systems Physiology, University of Cincinnati, Cincinnati, OH, USA
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Dawidowski B, Górniak A, Podwalski P, Lebiecka Z, Misiak B, Samochowiec J. The Role of Cytokines in the Pathogenesis of Schizophrenia. J Clin Med 2021; 10:jcm10173849. [PMID: 34501305 PMCID: PMC8432006 DOI: 10.3390/jcm10173849] [Citation(s) in RCA: 45] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2021] [Revised: 08/21/2021] [Accepted: 08/24/2021] [Indexed: 02/07/2023] Open
Abstract
Schizophrenia is a chronic mental illness of unknown etiology. A growing and compelling body of evidence implicates immunologic dysfunction as the key element in its pathomechanism. Cytokines, whose altered levels have been increasingly reported in various patient populations, are the major mediators involved in the coordination of the immune system. The available literature reports both elevated levels of proinflammatory as well as reduced levels of anti-inflammatory cytokines, and their effects on clinical status and neuroimaging changes. There is evidence of at least a partial genetic basis for the association between cytokine alterations and schizophrenia. Two other factors implicated in its development include early childhood trauma and disturbances in the gut microbiome. Moreover, its various subtypes, characterized by individual symptom severity and course, such as deficit schizophrenia, seem to differ in terms of changes in peripheral cytokine levels. While the use of a systematic review methodology could be difficult due to the breadth and diversity of the issues covered in this review, the applied narrative approach allows for a more holistic presentation. The aim of this narrative review was to present up-to-date evidence on cytokine dysregulation in schizophrenia, its effect on the psychopathological presentation, and links with antipsychotic medication. We also attempted to summarize its postulated underpinnings, including early childhood trauma and gut microbiome disturbances, and propose trait and state markers of schizophrenia.
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Affiliation(s)
- Bartosz Dawidowski
- Department of Psychiatry, Pomeranian Medical University, 71-460 Szczecin, Poland; (B.D.); (A.G.); (J.S.)
| | - Adrianna Górniak
- Department of Psychiatry, Pomeranian Medical University, 71-460 Szczecin, Poland; (B.D.); (A.G.); (J.S.)
| | - Piotr Podwalski
- Department of Psychiatry, Pomeranian Medical University, 71-460 Szczecin, Poland; (B.D.); (A.G.); (J.S.)
- Correspondence: ; Tel.: +48-510-091-466
| | - Zofia Lebiecka
- Department of Health Psychology, Pomeranian Medical University, 71-210 Szczecin, Poland;
| | - Błażej Misiak
- Department of Psychiatry, Division of Consultation Psychiatry and Neuroscience, Medical University, 50-367 Wroclaw, Poland;
| | - Jerzy Samochowiec
- Department of Psychiatry, Pomeranian Medical University, 71-460 Szczecin, Poland; (B.D.); (A.G.); (J.S.)
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Kumar M, Saadaoui M, Elhag DA, Murugesan S, Al Abduljabbar S, Fagier Y, Ortashi O, Abdullahi H, Ibrahim I, Alberry M, Abbas A, Ahmed SR, Hendaus MA, Kalache K, Terranegra A, Al Khodor S. Omouma: a prospective mother and child cohort aiming to identify early biomarkers of pregnancy complications in women living in Qatar. BMC Pregnancy Childbirth 2021; 21:570. [PMID: 34412611 PMCID: PMC8377974 DOI: 10.1186/s12884-021-04029-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2021] [Accepted: 07/29/2021] [Indexed: 12/14/2022] Open
Abstract
BACKGROUND Pregnancy is governed by multiple molecular and cellular processes, which might influence pregnancy health and outcomes. Failure to predict and understand the cause of pregnancy complications, adverse pregnancy outcomes, infant's morbidity and mortality, have limited effective interventions. Integrative multi-omics technologies provide an unbiased platform to explore the complex molecular interactions with an unprecedented depth. The objective of the present protocol is to build a longitudinal mother-baby cohort and use multi-omics technologies to help identify predictive biomarkers of adverse pregnancy outcomes, early life determinants and their effect on child health. METHODS/DESIGN One thousand pregnant women with a viable pregnancy in the first trimester (6-14 weeks of gestation) will be recruited from Sidra Medicine hospital. All the study participants will be monitored every trimester, at delivery, and one-year post-partum. Serial high-frequency sampling, including blood, stool, urine, saliva, skin, and vaginal swabs (mother only) from the pregnant women and their babies, will be collected. Maternal and neonatal health, including mental health and perinatal growth, will be recorded using a combination of questionnaires, interviews, and medical records. Downstream sample processing including microbial profiling, vaginal immune response, blood transcriptomics, epigenomics, and metabolomics will be performed. DISCUSSION It is expected that the present study will provide valuable insights into predicting pregnancy complications and neonatal health outcomes. Those include whether specific microbial and/or epigenomics signatures, immune profiles are associated with a healthy pregnancy and/or complicated pregnancy and poor neonatal health outcome. Moreover, this non-interventional cohort will also serve as a baseline dataset to understand how familial, socioeconomic, environmental and lifestyle factors interact with genetic determinants to influence health outcomes later in life. These findings will hold promise for the diagnosis and precision-medicine interventions.
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Affiliation(s)
- Manoj Kumar
- Research Department, Sidra Medicine, Doha, Qatar
| | | | | | | | | | - Yassin Fagier
- Obstetrics and Gynecology, Sidra Medicine, Doha, Qatar
| | - Osman Ortashi
- Obstetrics and Gynecology, Sidra Medicine, Doha, Qatar
| | | | | | | | - Anthony Abbas
- Maternal Fetal Medicine, Sidra Medicine, Doha, Qatar
| | | | | | - Karim Kalache
- Maternal Fetal Medicine, Sidra Medicine, Doha, Qatar
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Fisher AL, Sangkhae V, Balušíková K, Palaskas NJ, Ganz T, Nemeth E. Iron-dependent apoptosis causes embryotoxicity in inflamed and obese pregnancy. Nat Commun 2021; 12:4026. [PMID: 34188052 PMCID: PMC8242011 DOI: 10.1038/s41467-021-24333-z] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2020] [Accepted: 06/11/2021] [Indexed: 11/29/2022] Open
Abstract
Iron is essential for a healthy pregnancy, and iron supplementation is nearly universally recommended, regardless of maternal iron status. A signal of potential harm is the U-shaped association between maternal ferritin, a marker of iron stores, and risk of adverse pregnancy outcomes. However, ferritin is also induced by inflammation and may overestimate iron stores during inflammation or infection. In this study, we use mouse models to determine whether maternal iron loading, inflammation, or their interaction cause poor pregnancy outcomes. Only maternal exposure to both iron excess and inflammation, but not either condition alone, causes embryo malformations and demise. Maternal iron excess potentiates embryo injury during both LPS-induced acute inflammation and obesity-induced chronic mild inflammation. The adverse interaction depends on TNFα signaling, causes apoptosis of placental and embryo endothelium, and is prevented by anti-TNFα or antioxidant treatment. Our findings raise important questions about the safety of indiscriminate iron supplementation during pregnancy.
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Affiliation(s)
- Allison L Fisher
- Molecular, Cellular & Integrative Physiology Graduate Program, University of California, Los Angeles, Los Angeles, CA, USA
- Center for Iron Disorders, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, USA
| | - Veena Sangkhae
- Center for Iron Disorders, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, USA
| | - Kamila Balušíková
- Department of Biochemistry, Cell and Molecular Biology & Center for Research of Diabetes, Metabolism and Nutrition, Third Faculty of Medicine, Charles University, Prague, Czech Republic
| | - Nicolaos J Palaskas
- Center for Iron Disorders, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, USA
| | - Tomas Ganz
- Center for Iron Disorders, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, USA
| | - Elizabeta Nemeth
- Center for Iron Disorders, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, USA.
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Sarieva K, Mayer S. The Effects of Environmental Adversities on Human Neocortical Neurogenesis Modeled in Brain Organoids. Front Mol Biosci 2021; 8:686410. [PMID: 34250020 PMCID: PMC8264783 DOI: 10.3389/fmolb.2021.686410] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2021] [Accepted: 06/07/2021] [Indexed: 12/12/2022] Open
Abstract
Over the past decades, a growing body of evidence has demonstrated the impact of prenatal environmental adversity on the development of the human embryonic and fetal brain. Prenatal environmental adversity includes infectious agents, medication, and substances of use as well as inherently maternal factors, such as diabetes and stress. These adversities may cause long-lasting effects if occurring in sensitive time windows and, therefore, have high clinical relevance. However, our knowledge of their influence on specific cellular and molecular processes of in utero brain development remains scarce. This gap of knowledge can be partially explained by the restricted experimental access to the human embryonic and fetal brain and limited recapitulation of human-specific neurodevelopmental events in model organisms. In the past years, novel 3D human stem cell-based in vitro modeling systems, so-called brain organoids, have proven their applicability for modeling early events of human brain development in health and disease. Since their emergence, brain organoids have been successfully employed to study molecular mechanisms of Zika and Herpes simplex virus-associated microcephaly, as well as more subtle events happening upon maternal alcohol and nicotine consumption. These studies converge on pathological mechanisms targeting neural stem cells. In this review, we discuss how brain organoids have recently revealed commonalities and differences in the effects of environmental adversities on human neurogenesis. We highlight both the breakthroughs in understanding the molecular consequences of environmental exposures achieved using organoids as well as the on-going challenges in the field related to variability in protocols and a lack of benchmarking, which make cross-study comparisons difficult.
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Affiliation(s)
- Kseniia Sarieva
- Hertie Institute for Clinical Brain Research, University of Tübingen, Tübingen, Germany
- International Max Planck Research School, Graduate Training Centre of Neuroscience, University of Tübingen, Tübingen, Germany
| | - Simone Mayer
- Hertie Institute for Clinical Brain Research, University of Tübingen, Tübingen, Germany
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Guglielmo R, Miskowiak KW, Hasler G. Evaluating endophenotypes for bipolar disorder. Int J Bipolar Disord 2021; 9:17. [PMID: 34046710 PMCID: PMC8160068 DOI: 10.1186/s40345-021-00220-w] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/23/2020] [Accepted: 02/08/2021] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Phenotypic heterogeneity is a major impediment to the elucidation of the neurobiology and genetics of bipolar disorder. Endophenotype could help in reducing heterogeneity by defining biological traits that are more direct expressions of gene effects. The aim of this review is to examine the recent literature on clinical, epidemiological, neurobiological, and genetic findings and to select and evaluate candidate endophenotypes for bipolar disorder. Evaluating putative endophenotype could be helpful in better understanding the neurobiology of bipolar disorder by improving the definition of bipolar-related phenotypes in genetic studies. In this manner, research on endophenotypes could be useful to improve psychopathological diagnostics in the long-run by dissecting psychiatric macro phenotypes into biologically valid components. MAIN BODY The associations among the psychopathological and biological endophenotypes are discussed with respect to specificity, temporal stability, heritability, familiarity, and clinical and biological plausibility. Numerous findings regarding brain function, brain structure, neuropsychology and altered neurochemical pathways in patients with bipolar disorder and their relatives deserve further investigation. Overall, major findings suggest a developmental origin of this disorder as all the candidate endophenotypes that we have been able to select are present both in the early stages of the disorder as well as in subjects at risk. CONCLUSIONS Among the stronger candidate endophenotypes, we suggest circadian rhythm instability, dysmodulation of emotion and reward, altered neuroimmune state, attention and executive dysfunctions, anterior cingulate cortex thickness and early white matter abnormalities. In particular, early white matter abnormalities could be the result of a vulnerable brain on which new stressors are added in young adulthood which favours the onset of the disorder. Possible pathways that lead to a vulnerable brain are discussed starting from the data about molecular and imaging endophenotypes of bipolar disorder.
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Affiliation(s)
- Riccardo Guglielmo
- Psychiatry Research Unit, Fribourg Network for Mental Health (RFSM), University of Fribourg, Chemin du Cardinal-Journet 3, 1752, Villars-sur-Glâne, Switzerland.,Department of Neuroscience, Institute of Psychiatry, Catholic University Medical School, Largo Francesco Vito 1, 00168, Rome, Italy
| | - Kamilla Woznica Miskowiak
- Copenhagen Affective Disorder Research Centre (CADIC), Psychiatric Centre Copenhagen, Copenhagen University Hospital, Rigshospitalet, Copenhagen, Denmark
| | - Gregor Hasler
- Psychiatry Research Unit, Fribourg Network for Mental Health (RFSM), University of Fribourg, Chemin du Cardinal-Journet 3, 1752, Villars-sur-Glâne, Switzerland.
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O'Connor T, Best M, Brunner J, Ciesla AA, Cunning A, Kapula N, Kautz A, Khoury L, Macomber A, Meng Y, Miller RK, Murphy H, Salafia CM, Vallejo Sefair A, Serrano J, Barrett E. Cohort profile: Understanding Pregnancy Signals and Infant Development (UPSIDE): a pregnancy cohort study on prenatal exposure mechanisms for child health. BMJ Open 2021; 11:e044798. [PMID: 33795306 PMCID: PMC8021752 DOI: 10.1136/bmjopen-2020-044798] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/14/2020] [Revised: 02/08/2021] [Accepted: 03/04/2021] [Indexed: 01/28/2023] Open
Abstract
PURPOSE Extensive research suggests that maternal prenatal distress is reliably related to perinatal and child health outcomes-which may persist into adulthood. However, basic questions remain regarding mechanisms involved. To better understand these mechanisms, we developed the Understanding Pregnancy Signals and Infant Development (UPSIDE) cohort study, which has several distinguishing features, including repeated assessments across trimesters, analysis of multiple biological pathways of interest, and incorporation of placental structure and function as mediators of child health outcomes. PARTICIPANTS Women with normal risk pregnancies were recruited at <14 weeks gestation. Study visits occurred in each trimester and included extensive psychological, sociodemographic, health behaviour and biospecimen collection. Placenta and cord blood were collected at birth. Child visits (ongoing) occur at birth and 1, 6, 12, 24, 36 and 48 months of age and use standard anthropometric, clinical, behavioural, biological and neuroimaging methods to assess child physical and neurodevelopment. FINDINGS TO DATE We recruited 326 pregnancies; 294 (90%) were retained through birth. Success rates for prenatal biospecimen collection were high across all trimesters (96%-99% for blood, 94%-97% for urine, 96%-99% for saliva, 96% of placentas, 88% for cord blood and 93% for buccal swab). Ninety-four per cent of eligible babies (n=277) participated in a birth examination; postnatal visits are ongoing. FUTURE PLANS The current phase of the study follows children through age 4 to examine child neurodevelopment and physical development. In addition, the cohort participates in the National Institutes of Health's Environmental influences on Child Health Outcomes programme, a national study of 50 000 families examining early environmental influences on perinatal outcomes, neurodevelopment, obesity and airway disease. Future research will leverage the rich repository of biological samples and clinical data to expand research on the mechanisms of child health outcomes in relation to environmental chemical exposures, genetics and the microbiome.
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Affiliation(s)
- Thomas O'Connor
- Psychiatry, University of Rochester, Rochester, New York, USA
- Obstetrics and Gynecology, University of Rochester Medical Center, Rochester, New York, USA
- Neuroscience, University of Rochester Medical Center, Rochester, New York, USA
- Wynne Center for Family Research, University of Rochester Medical Center, Rochester, New York, USA
- Psychology, University of Rochester, Rochester, New York, USA
| | - Meghan Best
- Obstetrics and Gynecology, University of Rochester Medical Center, Rochester, New York, USA
| | - Jessica Brunner
- Psychiatry, University of Rochester, Rochester, New York, USA
- Obstetrics and Gynecology, University of Rochester Medical Center, Rochester, New York, USA
- School of Nursing, University of Rochester Medical Center, Rochester, New York, USA
| | | | - Allison Cunning
- Obstetrics and Gynecology, University of Rochester Medical Center, Rochester, New York, USA
| | - Ntemena Kapula
- Obstetrics and Gynecology, University of Rochester Medical Center, Rochester, New York, USA
- School of Nursing, University of Rochester Medical Center, Rochester, New York, USA
| | - Amber Kautz
- Public Health Sciences, University of Rochester Medical Center, Rochester, New York, USA
| | - Leena Khoury
- Psychiatry, University of Rochester, Rochester, New York, USA
- Obstetrics and Gynecology, University of Rochester Medical Center, Rochester, New York, USA
| | - Allison Macomber
- Obstetrics and Gynecology, University of Rochester Medical Center, Rochester, New York, USA
| | - Ying Meng
- School of Nursing, University of Rochester Medical Center, Rochester, New York, USA
| | - Richard K Miller
- Obstetrics and Gynecology, University of Rochester Medical Center, Rochester, New York, USA
| | - Hannah Murphy
- Obstetrics and Gynecology, University of Rochester Medical Center, Rochester, New York, USA
| | - Carolyn M Salafia
- Placental Modulation Laboratory, Institute for Basic Research in Developmental Disabilities, Staten Island, New York, USA
- Placental Analytics LLC, Larchmont, New York, USA
| | | | - Jishyra Serrano
- Obstetrics and Gynecology, University of Rochester Medical Center, Rochester, New York, USA
| | - Emily Barrett
- Obstetrics and Gynecology, University of Rochester Medical Center, Rochester, New York, USA
- Biostatistics and Epidemiology, Rutgers School of Public Health, Piscataway, New Jersey, USA
- Environmental and Occupational Health Sciences Institute, Rutgers University, Piscataway, New Jersey, USA
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Tsai SJ. Role of interleukin 8 in depression and other psychiatric disorders. Prog Neuropsychopharmacol Biol Psychiatry 2021; 106:110173. [PMID: 33186640 DOI: 10.1016/j.pnpbp.2020.110173] [Citation(s) in RCA: 43] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/11/2020] [Revised: 11/06/2020] [Accepted: 11/08/2020] [Indexed: 12/28/2022]
Abstract
Low grade neuroinflammation has been suggested as one of the underlying mechanisms of many psychiatric diseases as well as cognitive disorders. Interleukin 8 (IL-8), a proinflammatory cytokine produced by many cell types including macrophage and microglia, mainly functions as a neutrophil chemoattractant in the bloodstream. IL-8 is also found in the brain, where it is released from microglia in response to proinflammatory stimuli. In this review, we highlight studies focusing on the role of IL-8 in psychiatric diseases such as major depression, bipolar disorder, schizophrenia, sleep disorder, autism spectrum disorder, anxiety disorders and dementia. Increased peripheral IL-8 levels have been reported in these diseases, particularly in schizophrenic disorder, bipolar disorder, obstructive sleep apnea and autism spectrum disorder. The literature on IL-8 and major depression is inconsistent. IL-8 has been found to be a factor associated with schizophrenic prognosis and therapeutic response, and may affect a wide range of symptomatology. Considering that the exact role of immune alterations is still under research, the success of immune-based therapies in psychiatric diseases is limited for the time being.
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Affiliation(s)
- Shih-Jen Tsai
- Department of Psychiatry, Taipei Veterans General Hospital, Taipei, Taiwan; School of Medicine, National Yang-Ming University, Taipei, Taiwan; Institute of Brain Science, National Yang-Ming University, Taipei, Taiwan.
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Paquin V, Lapierre M, Veru F, King S. Early Environmental Upheaval and the Risk for Schizophrenia. Annu Rev Clin Psychol 2021; 17:285-311. [PMID: 33544627 DOI: 10.1146/annurev-clinpsy-081219-103805] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Why does prenatal exposure to wars, natural disasters, urbanicity, or winter increase the risk for schizophrenia? Research from the last two decades has provided rich insight about the underlying chains of causation at play during environmental upheaval, from conception to early infancy. In this review, we appraise the evidence linking schizophrenia spectrum disorder to prenatal maternal stress, obstetric complications, early infections, and maternal nutrition and other lifestyle factors. We discuss putative mechanisms, including the maternal stress system, perinatal hypoxia, and maternal-offspring immune activation. We propose that gene-environment interactions, timing during development, and sex differentiate the neuropsychiatric outcomes. Future research should pursue the translation of animal studies to humans and the longitudinal associations between early exposures, intermediate phenotypes, and psychiatric disorders. Finally, to paint a comprehensive model of risk and to harness targets for prevention, we argue that risk factors should be situated within the individual's personal ecosystem.
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Affiliation(s)
- Vincent Paquin
- Department of Psychiatry, McGill University, Montréal, Québec H3A 1A1, Canada; .,Douglas Research Centre, Montréal, Québec H4H 1R3, Canada
| | - Mylène Lapierre
- Douglas Research Centre, Montréal, Québec H4H 1R3, Canada.,Department of Psychology, Université de Montréal, Montréal, Québec H2V 2S9, Canada
| | - Franz Veru
- Department of Psychiatry, McGill University, Montréal, Québec H3A 1A1, Canada; .,Douglas Research Centre, Montréal, Québec H4H 1R3, Canada
| | - Suzanne King
- Department of Psychiatry, McGill University, Montréal, Québec H3A 1A1, Canada; .,Douglas Research Centre, Montréal, Québec H4H 1R3, Canada.,Department of Psychology, Université de Montréal, Montréal, Québec H2V 2S9, Canada
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Zhou X, Tian B, Han HB. Serum interleukin-6 in schizophrenia: A system review and meta-analysis. Cytokine 2021; 141:155441. [PMID: 33529887 DOI: 10.1016/j.cyto.2021.155441] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2020] [Revised: 11/06/2020] [Accepted: 12/16/2020] [Indexed: 12/16/2022]
Abstract
BACKGROUND Schizophrenia is a disabling serious mental illness with unknown etiology. Inflammatory abnormalities play an important role in the pathogenesis of the disease. Many studies had viewed changes in serum IL-6 in schizophrenia, but its results were not consistent. This meta-analysis was to systematically assess the changes in serum IL-6 in schizophrenia. METHODS We searched PubMed, Web of Science, ScienceDirect, and EBSCO databases until July 14, 2020, for eligible studies that matched to search subjects, and used Review Manager to counting all the research results. RESULTS The meta-analysis included 14 studies comprising 961 schizophrenia and 729 controls. Serum IL-6 was higher in schizophrenia compared with controls (SMD: 0.44 [95%CI: 0.34-0.55] for drug naïve or drug eluted schizophrenia; SMD: 1.55 [95%CI: 0.78-2.31] for schizophrenia after treatment). Serum IL-6 of schizophrenia after treatment was lower than baseline (SMD: 0.33 [95%CI: 0.02-0.63]). CONCLUSIONS Serum IL-6 level increase in schizophrenia. It supports the immune regulatory system-compensatory immune regulatory system hypothesis, and the role of inflammatory abnormalities in schizophrenia. And the decrease of serum IL-6 in schizophrenia after treatment suggests that an anti-inflammatory mechanism might be effective during antipsychotic treatment.
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Affiliation(s)
- Xin Zhou
- Qingdao Mental Health Center, Qingdao, Shandong Province, China; Jining Medical University, Jining, Shandong Province, China.
| | - Bo Tian
- Qingdao Mental Health Center, Qingdao, Shandong Province, China.
| | - Hai-Bin Han
- Qingdao Mental Health Center, Qingdao, Shandong Province, China
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